M. C. J. Verdegem

Effects of stocking density of freshwater prawn Macrobrachium rosenbergii and addition of different levels of tilapia Oreochromis niloticus on production in C/N controlled periphyton based system (online first) (2009)

Asaduzzaman, M, Wahab, M.A., Verdegem, M.C.J., Mondal, M.N., Azim, M.E.

An on-station trial was conducted to evaluate the effect of stocking density of freshwater prawn and addition of different levels of tilapia on production in carbon/nitrogen (C/N) controlled...

Impact of increased flow rate on specific growth rate of juvenile turbot (Scophthalmus maximus, Rafinesque 1810) (2009)

Schram, E., Verdegem, M.C.J., Kloet, C.J., Foss, A.

The effect of flow rate on growth was investigated in juvenile turbot. Fish with a mean (SD) initial weight of 102 (10.4) g were reared at 6 different flow rates, equaling 1, 2, 3, 4, 6 or 8 tank...

Mission report : Egypt 16-26 May 2009 : Capacity Development and Institutional Change Programme, Wageningen International, The Netherlands (2009)

Verdegem, M.C.J.

Effects of common carp Cyprinus carpio (L.) and feed addition in rohu Labeo rohita (Hamilton) ponds on nutrient partitioning among fish, plankton and benthos (2008)

Rahman, M.M., Verdegem, M.C.J., Nagelkerke, L.A.J., Wahab, M.A., Milstein, A., Verreth, J.A.J.

The effects of introducing common carp (CC) and of adding artificial feed to fertilized rohu ponds on water quality and nutrient accumulation efficiency were studied. All ponds were stocked with 15...

Relationships among water quality, food resources, fish diet and fish growth in polyculture ponds: A multivariate approach (2008)

Rahman, M.M., Nagelkerke, L.A.J., Verdegem, M.C.J., Wahab, M.A., Verreth, J.A.J.

We examined the influence of addition of common carp (Cyprinus carpio) and artificial feed in rohu (Labeo rohita) ponds. We analyzed the relationships among four datasets on different components of...

Economic and nutrient discharge tradeoffs of excreta-fed aquaculture in the Mekong Delta, Vietnam (2008)

Nhan, D.K., Verdegem, M.C.J., Binh, N.T., Duong, L.T., Milstein, A., Verreth, J.A.J.

C/N ratio control and substrate addition for periphyton development jointly enhance freshwater prawn Macrobrachium rosenbergii production in ponds (online first) (2008)

Asaduzzaman, M, Wahab, M.A., Verdegem, M.C.J., Huque, S, Salam, M.A., Azim, M.E.

The present research investigated the effect of carbon/nitrogen ratio (C/N ratio) control in ponds with or without substrate addition for periphyton development on production of giant freshwater...

Water and nutrient budgets of ponds in integrated agriculture-aquaculture systems in the Mekong Delta, Vietnam. (2008)

Nhan, D.K., Verdegem, M.C.J., Milstein, A., Verreth, J.A.J.

A participatory on-farm study analysed water and nutrient budgets of six low and four high water-exchange ponds of integrated agriculture-aquaculture (IAA) farms in the Mekong delta. Water, nitrogen...

Effects of stocking density, periphyton substrate and supplemental feed on biological processes affecting water quality in earthen tilapia-prawn polyculture ponds (2008)

Sharif Uddin, M, Milstein, A., Ekram Azim, M, Abdul Wahab, M, Verdegem, M.C.J., Verreth, J.A.J.

The technical and economic potentials of tilapia, Oreochromis niloticus (L.), and giant river prawn, Macrobrachium rosenbergii (de Man), polyculture in periphyton-based systems are under...

Effects of day and night on swimming, grazing and social behaviours of rohu Labeo rohita (Hamilton) and common carp Cyprinus carpio (L.) in simulated ponds. (2008)

Rahman, M.M., Verdegem, M.C.J., Wahab, M.A., Hossain, M.Y., Jo, Q

Diel rhythmicity of grazing, swimming, resting and social interactions of rohu (Labeo rohita) (weight 66.5¿68.3 g) and common carp (Cyprinus carpio) (79.9¿82.0 g) were observed in 1 m2 simulated...

C/N ratio control and substrate addition for periphyton development jointly enhance freshwater prawn Macrobrachium rosenbergii production in ponds (2008)

Asaduzzaman, M, Wahab, M.A., Verdegem, M.C.J., Huque, S, Salam, M.A., Azim, M.E.

The present research investigated the effect of carbon/nitrogen ratio (C/N ratio) control in ponds with or without substrate addition for periphyton development on production of giant freshwater...

Effects of tilapia (Oreochromis niloticus L.) stocking and artificial feeding on water quality and production in rohu-common carp bi-culture ponds (2008)

Rahman, M.M., Verdegem, M.C.J., Wahab, M.A.

Previous research showed that stocking 1.5 rohu (Labeo rohita) and 0.5 common carp (Cyprinus carpio) m¿2 yields the highest production in small holder ponds in Bangladesh. The present study looked...

Environmental effects of tilapia (Oreochromis nilotica L.) and artificial feeding on phytoplankton and fish yield in polyculture ponds. (2008)

Rahman, M.M., Verdegem, M.C.J., Wahab, M.A., Hossain, M.Y., Jo, Q, Gong, Y.G

Swimming, grazing and social behaviour of rohu Labeo rohita (Hamilton) and common carp Cyprinus carpio (L.) in tanks under fed and non-fed conditions (2008)

Rahman, M.M., Verdegem, M.C.J., Nagelkerke, L.A.J., Wahab, M.A., Verreth, J.A.J.

Fish behaviour was monitored in 1-m2 tanks each stocked with three 67-g rohu (Labeo rohita). In addition, 80-g common carp (Cyprinus carpio) were stocked at 0, 1 or 2 fish per tank. All tanks were...

Sustainable land-based aquaculture: rational utilization of water, land and feed resources (2008)

Avnimelech, Y., Verdegem, M.C.J., Keshavanath, P., Kurup, B.M.

Reduzierung von Futter-, Energie und Frischwasseraufwand in intensiven Aquakultursystemen (SustainAqua). (2008)

Eding, E.H., Verdegem, M.C.J., Martins, C.I.

The effect of C/N ratio control on production of freshwater prawn Macrobrachium rosenbergii in ponds is additive to substrate addition for periphyton development. (2008)

Asaduzzaman, M, Huque, S, Wahab, M.A., Verdegem, M.C.J.

The present research investigated the effect of carbon/nitrogen ratio (C/N ratio) with or without substrates addition for periphyton development on production performances of giant freshwater prawn....

Tilapia and freshwater prawn production in periphyton based ponds with high C:N ratio (2008)

Verdegem, M.C.J., Asaduzzaman, M, Uddin, S., Wahab, M.A., Azim, E.A.

The effect of C/N ratio control on production of freshwater prawn Macrobrachium rosenbergii in ponds is additive to substrate additon for periphyton development. (2008)

Asaduzzaman, M, Mollah, M.O.U., Huque, S, Wahab, M.A., Salam, M.A., Verdegem, M.C.J.

Roles of ponds in integrated agriculture-aquaculture systems (2007)

Muendo, P.N., Stoorvogel, J.J., Verdegem, M.C.J., Gamal, E-N., Verreth, J.A.J.

Nutrient accumulation and water use efficiency of ponds in integrated agriculture-aquaculture farming systems in the Mekong delta (2007)

Nhan, D.K., Duong, L.T., Phong, L.T., Verdegem, M.C.J., Stoorvogel, J.J., Verreth, J.A.J.

Book review: Aquaculture engineering (2007)

Verdegem, M.C.J.

Effects of stocking density on production and economics of Nile tilapia (Oreochromis niloticus) and freshwater prawn (Macrobrachium rosenbergii) polyculture in periphyton-based systems (2007)

Uddin, S., Rahman, S.M.S., Azim, M.E., Wahab, M.A., Verdegem, M.C.J., Verreth, J.A.J.

The present research investigated the effect of stocking density on pond (75 m2, depth 1.2 m) production of Nile tilapia (Oreochromis niloticus) and freshwater prawn (Macrobrachium rosenbergii)...

Technical evaluation of tilapia (Oreochromis niloticus) monoculture and tilapia¿prawn (Macrobrachium rosenbergii) polyculture in earthen ponds with or without substrates for periphyton development (2007)

Uddin, S., Farzana, A., Fatema, M.K., Azim, M.E., Wahab, M.A., Verdegem, M.C.J.

The effects of periphyton grown on bamboo substrate, on growth and production of Nile tilapia, Oreochromis niloticus (Genetically Improved Farmed Tilapia strain) in monoculture and polyculture with...

Integrated freshwater aquaculture, crop and livestock production in the Mekong delta, Vietnam: Determinants and the role of the pond (2007)

Nhan, D.K., Phong, L.T., Verdegem, M.C.J., Duong, L.T., Bosma, R.H., Little, D.C.

Promotion of integrated aquaculture with agriculture, including crops and livestock (IAA-farming), requires consideration of both bio-physical and socio-economic contexts. The major factors...

Optimum stocking density of Nile tilapia (Oreochromis niloticus) and Freshwater prawn (Macrobrachium rosenbergii) in periphyton-based polyculture system (2007)

Azim, M.E., Uddin, S., Rahman, S.M.S., Wahab, M.A., Verdegem, M.C.J.

Multi-species fishpond and nutrients balance (2007)

Rahman, M.M., Verdegem, M.C.J.

Influence of presence and type of suspended periphyton substrates on extensive growth of sea bream Sparus aurata juveniles, reared in cages in marine pond (2007)

Richard, M., Pavie, L., Trottier, C., Verdegem, M.C.J., Hussenot, J.

Periphyton-based tilapia-prawn polyculture. New dimension in aquaculture. May support organic status (2007)

Uddin, S., Verdegem, M.C.J., Azim, M.E., Wahab, M.A.

Livelihood impacts of ponds in Asia-opportunities and constraints (2007)

Little, D.C., Karim, M., Turongrouang, Danai, Morales, E.J., Murray, F.J., Barman, B.K., ...

Nutrient balances in ponds (2007)

Verdegem, M.C.J.

Using the fishpond as an improved nutrient trap for recycling nutrients on farm in North East Thailand and Mymensingh, Bangladesh (2007)

Shamsul, Kabir M., Wahab, M.A., Arjinkit, Chittra, Turongrouang, Danai, Bosma, R.H., Verdegem, M.C.J.

De bijdrage van visvijvers aan de nutriënthuishouding op gemengde kleinschalige landbouwbedrijven (2007)

Verdegem, M.C.J., Muendo, P.N.

Aquacultuuropleidingen in Nederland: wat, waar en hoe? (2007)

Verdegem, M.C.J., Scheerboom, J., Heringa, J., Goldsborough, D., Schlaman, G.L.H.

Focus op duurzame recirculatieteelt bij Wageningen Universiteit (2007)

Martins, C.I., Eding, E.H., Verdegem, M.C.J.

Effects of common carp addition to rohu ponds on food availabiltiy, fish behavior, fish production and waste discharge. Linking tradition and technology highest quality for the consumer (2007)

Rahman, M.M., Verdegem, M.C.J., Nagelkerke, L.A.J., Wahab, M.A., Milstein, A., Verreth, J.A.J.

Aquacultuur in Egypte: een succesverhaal (2007)

Verdegem, M.C.J.

The effect of carbohydrate addition on water quality and the nitrogen budget in extensive shrimp culture systems (2006)

Hari, B., Kurup, B.M., Varghese, J.T., Schrama, J.W., Verdegem, M.C.J.

Water quality and shrimp production were monitored in extensively managed ponds which were fed a 25% (P25) or 40% (P40) dietary protein, each diet complemented with or without carbohydrate (CH)...

Stocking density-dependent growth of Dover sole (Solea solea) (2006)

Schram, E., Kamstra, A., Verdegem, M.C.J.

Dover sole were reared at 6 different stocking densities between 0.56 and 12.6 kg/m2 with duplicate tanks for each treatment. The experiment lasted for 55 days. Water quality effects on growth were...

Exploring the trophic structure in organically fertilized and feed-driven tilapia culture environments using multivariate analyses (2006)

Muendo, P.N., Milstein, A., Dam, A., Gamal, N.E., Stoorvogel, J.J., Verdegem, M.C.J.

Reports of similar yields in manure and feed-driven tilapia culture environments raise questions on food utilization in these environments. The possibility that similar production rates are because...

Vijverteeltonderzoek in Wageningen (deel 1) (2006)

Verdegem, M.C.J., Bosma, R.

Growth, production and food preference of rohu Labeo rohita (H.) in monoculture and in polyculture with common carp Cyprinus carpio (L.) under fed and non-fed ponds (2006)

Rahman, M.M., Verdegem, M.C.J., Nagelkerke, L.A.J., Wahab, M.A., Milstein, A., Verreth, J.A.J.

An experiment was carried out in 18 earthen ponds to investigate the effects of the addition of common carp Cyprinus carpio (L.) and artificial feed on natural food availability, food utilization and...

On-farm trials of improved nursing and fattening sex-reversed gift tilapia in Sisaket province, Northeast Thailand (2006)

Arjinkit, Chittra, Bosma, R.H., Turongrouang, Danai, Little, David, Verdegem, M.C.J.

Reducing water use for animal production through aquaculture (2006)

Verdegem, M.C.J., Bosma, R.H., Verreth, J.A.J.

Animals fed formulated diets indirectly consume large quantities of water. Globally, about 1.2 m3 of water is needed to produce 1 kg of grain used in animal feeds. Cattle in feedlots consume about 7...

Decomposition of high protein aquaculture feed under variable oxic conditions (2006)

Torres Beristain, B., Verdegem, M.C.J., Kerepeczki, E., Verreth, J.A.J.

The microbial decomposition of nitrogen-rich organic matter in aquaculture ponds is affected by the oxic-anoxic conditions gradient at the soil¿water interface as well as by resuspension practices....

The potential of mixed culture of genetically improved farmed tilapia (GIFT, Oreochromis niloticus) and freshwater giant prawn (Macrobrachium rosenbergii) in periphyton-based systems (2006)

Uddin, S., Azim, M.E., Wahab, M.A., Verdegem, M.C.J.

The production performance of genetically improved farmed tilapia (GIFT, Oreochromis niloticus) and freshwater prawn (Macrobrachium rosenbergii) in periphyton-based systems were studied in farmers'...

Food inputs, water quality and nutrient accumulation in integrated pond systems: A multivariate approach (2006)

Nhan, D.K., Milstein, A., Verdegem, M.C.J., Verreth, J.A.J.

A participatory on-farm study was conducted to explore the effects of food input patterns on water quality and sediment nutrient accumulation in ponds, and to identify different types of integrated...

Coastal aquaculture development: the challenges ahead (2006)

Verdegem, M.C.J.

Added carbohydrates aid production in extensive shrimp culture (2005)

Verdegem, M.C.J., Schrama, J.W.

Mission Report Egypt (2005)

Verdegem, M.C.J., Taal, C.

Coastal Aquaculture Development: The Challenges Ahead (2005)

Verdegem, M.C.J.

Improving sustainability in coastal pond aquaculture through periphyton based technology (2005)

Verdegem, M.C.J.

Organic aquaculture: criteria and future directions (2005)

Verdegem, M.C.J.

The role of ponds in livelihoods (2005)

Wahab, M.A., Little, D.C., Azim, M.E., Verdegem, M.C.J.

Afbraak van organisch materiaal en bacteriële biomassa in aquacultuur productiesystemen (2005)

Verdegem, M.C.J., Torres Beristain, B.

Monitoring invang mosselzaad met collectoren in de Waddenzee (Doove Balg) (2005)

Kamermans, P., Jol, J.G., Breen, V.P., Brummelhuis, E.B.M., Verdegem, M.C.J.

Effect of organic nitrogen and carbon mineralization on sediment organic matter accumulation in fish ponds (2005)

Jiménez-Montealegre, R., Verdegem, M.C.J., Verreth, J.A.J.

In aquaculture, ponds with high loads of organic inputs, organic matter accumulates at the bottom over time. Uneaten feed, senescent phytoplankton and faeces are the principal sources of accumulated...

Book review: Biology and Culture of Channel Catfish (2005)

Verdegem, M.C.J.

Nitrogen budget and fluxes in Colossoma macropomum ponds (2005)

Jiménez Montealegre, R.A., Avnimelech, Y., Verreth, J.A.J., Verdegem, M.C.J.

This study quantified the accumulation of nitrogen (N) in the water column, sediments, fish and seepage water during a production cycle of Colossoma macropomum. By combining estimates of the...

Nitrogen and phosphorous losses in semi-intensive mono and polyculture systems: very significant difference between fed and unfed ponds (2005)

Rahman, M.M., Verdegem, M.C.J., Wahab, M.A., Verreth, J.A.J.

Effects of pig manure on pond fish yield and pond nutrient accumulation in the Mekong Delta, Vietnam (2005)

Nhan, D.K., Le Thanh, D., Verdegem, M.C.J., Bosma, R.H., Stoorvogel, J.J., Cao, Q.N.

Evaluation of the fertilizing effect of pond segments harvested from different tilapia culture environments (low and high input systems) (2005)

Muendo, P.N., Stoorvogel, J.J., El Naggar, G., Milstein, A., Verdegem, M.C.J.

Adopting factors, existing patterns and potentials of integrated agriculture-aquaculture systems in rural and peri-urban areas of Bangladesh (2005)

Karim, M., Little, D.C., Wahab, M.A., Kabir, M.S., Verdegem, M.C.J.

Periphyton-based aquaculture production: an ecological approach (2005)

Azim, M.E., Wahab, M.A., Verdegem, M.C.J., Beveridge, M.C.M., Little, D.C., ...

The expansion of aquaculture must be accomplished by promoting an ecological aquaculture model which brings not only the technical aspects of eco-systems design and ecological principles to...

Nutrient flow in whole farm households: a case study in a village of Muktagach Upazila under Mymensingh district, Bangladesh (2005)

Kabir, M.S., Wahab, M.A., Karim, M., Verdegem, M.C.J., Little, D.C.

Similarities between microbial and periphytic biofilms in recirculating aquaculture systems (2005)

Verdegem, M.C.J., Eding, E.H., Sereti, V., Verreth, J.A.J.

Short Communication. Rhizons improved estimation of nutrient losses because of seepage in aquaculture ponds (2005)

Muendo, P.N., Stoorvogel, J.J., Gamal, N.E., Verdegem, M.C.J.

Action plan to alleviate constraints hampering the further development of the fisheries sector in Egypt (2005)

Verdegem, M.C.J., Taal, K.

Action plan to alleviate constraints hampering the further development of the fisheries sector in Egypt (executive version) (2005)

Verdegem, M.C.J., Taal, K.

RNE - Cairo fisheries sector support plan (2005)

Verdegem, M.C.J.

Aquacultuurproductie: trends en uitdagingen (2005)

Verdegem, M.C.J.

Can an algal biofilm act as a sole treatment unit in a freshwater recirculation system? (2005)

Sereti, V., Verdegem, M.C.J., Eding, E.H., Verreth, J.A.J.

Periphyton and aquatic production: an introduction (2005)

Azim, M.E., Beveridge, M.C.M., Verdegem, M.C.J.

Utilization of periphyton for fish production in ponds: a systems ecology perspective (2005)

Verdegem, M.C.J.

Similarities between microbial and periphytic biofilms in aquaculture systems (2005)

Verdegem, M.C.J., Eding, E.H., Sereti, V., Munubi, R.N., Santacruz-Reyes, R.A.

Verkenning van mogelijkheden voor mosselteelt op open zee & een mosselkansenkaart voor de Noordzee (2005)

Steenbergen, J., Verdegem, M.C.J., Jol, J., Perdon, K.J., Kamermans, P.

Verkenning van mogelijkheden voor mosselteelt op open zee & een mosselkansenkaart voor de Noordzee (2005)

Steenbergen, J., Verdegem, M.C.J., Jol, J.G., Perdon, K.J., Kamermans, P., Blankendaal, V.G., ...

Periphyton ecology, exploitation and management: knowledge gaps and directions for future research (2005)

Verdegem, M.C.J., Azim, M.E., Beveridge, M.C.M.

Periphyton: ecology, exploitation and management (2005)

Azim, M.E., Verdegem, M.C.J., Beveridge, M.C.M.

Water, not nutrients : the major focus of pond-based aquaculture integration within smallholder farms in Asia (2005)

Little, D.C., Karim, M., Wahab, M.A., Verdegem, M.C.J., Dang, L.N., Le Thanh, D., ...

Excavated earthen ponds in tropical rain-fed farming systems are typically characterised, and promoted, as culture systems for around which whole-farm nutrient can be more efutilised. Research sites...

Integrated Freshwater Aquaculture, Crop and Animal Production in the Mekong Delta, Vietnam: Participatory Assessment of Current Situation and Opportunities for Sustainable Development (2005)

Nhan, D.K., Phong, L.T., Verdegem, M.C.J., Duong, L.T., Bosma, R.H., Little, D.C.

Effects of supplementary feed on food preference of rohu Labeo rohita in mono and polyculture systems (2005)

Rahman, M.M., Verdegem, M.C.J.

Retention efficiency of nitrogen and phosphorous in semi-intensive mono and polyculture systems: very significant difference between fed and unfed ponds (2005)

Rahman, M.M., Verdegem, M.C.J., Nagelkerke, L.A.J., Verreth, J.A.J.

Mogelijkheden voor zeecultuur in nieuwe getijdennatuur langs de Westerschelde (2004)

Brandenburg, W.A., Kamermans, P., Steenbergen, J., Verdegem, M.C.J.

Inventarisatie stand van zaken mosselkweek op open zee (2004)

Kamermans, P., Verdegem, M.C.J.

Effects of carbohydrate addition on production in extensive shrimp culture systems (2004)

Hari, B., Kurup, B.M., Varghese, J.T., Schrama, J.W., Verdegem, M.C.J.

One indoor and one on-farm trial were conducted to evaluate the effect of control of carbon/nitrogen ratio (C/N ratio) by addition of carbohydrate to the water column in extensive types of shrimp...

Effects of bamboo substrate and supplemental feeding on growth and production of hybrid red tilapia fingerlings (Oreochromis mossambicusxOrechromis niloticus) (2004)

Keshavanath, P., Gangadhar, B., Ramesh, T.J., Beveridge, M.C.M., Verdegem, M.C.J.

Periphyton growing on artificial substrates can increase the production of herbivorous fish in aquaculture ponds. Periphyton may be an alternative or a complement for supplemental feed in fingerling...

The effect of periphyton substrate density on production in freshwater polyculture ponds (2004)

Azim, M.E., Wahab, M.A., Biswas, P.K., Aseada, T., Fujino, T, Verdegem, M.C.J.

The development of low ('zero') discharge freshwater systems in a polluter pays principle environment (2004)

Eding, E.H., Schneider, O., Kamstra, A., Verdegem, M.C.J., Verreth, J.A.J.

Effects of common carp Cyprinus carpio on growth, production and food habit of rohu Labeo rohita in fertilized or in fertilized and fed ponds (2004)

Rahman, M.M., Verdegem, M.C.J., Wahab, M.A., Verreth, J.A.J.

Feeding relations of silver barb Barbodes gonionotus (Bleeker) with major Indian and common carp and its effect on fish production in a polyculture system (2004)

Azim, M.E., Wahab, M.A., Kamal, A.H.M., Ahmed, Z.F., Verdegem, M.C.J.

Food preference of common carp Cyprinus carpio and rohu Labeo rohita in monoculture and polyculture: shifts in grazing on plankton under fed en unfed conditions (2004)

Rahman, M.M., Verdegem, M.C.J., Wahab, M.A.

Periphyton as water treatment in fresh water recirculation system (2004)

Sereti, V., Verdegem, M.C.J., Eding, E.H., Verreth, J.A.J.

Comparison between existing low input and high input integrated pond-dike aquaculture systems in some villages of Muktagacha, Mymensingh (2004)

Kabir, M.S., Wahab, M.A., Karim, M., Verdegem, M.C.J., Little, D.C.

Periphyton-based pond polyculture system: a bioeconomic comparison of on-farm and on-station trials (2004)

Azim, M.E., Rahaman, M.M., Wahab, M.A., Asaeda, T., Little, D.C., Verdegem, M.C.J.

A bioeconomic study of periphyton-based aquaculture in Bangladesh was carried out through comparison of on-farm and on-station trials. Five treatments, three on-farm and two on-station, each with...

Sediment accumulation in fish ponds:its quality and quantity as a crop fertilizer (2004)

Muendo, P.N., Stoorvogel, J.J., Elnaggar, G.E., Milstein, A., Verdegem, M.C.J.

Productivity and nutrient accumulation in integrated-aquaculture ponds in the Mekong Delta, Vietnam (2004)

Nhan, D.K., Verdegem, M.C.J., Bosma, R.H.

Development of "VAC" Integrated Farming Systems: A view of Participatory and System Approach (2004)

Nhan, D.K., Duong, L.T., Sanh, N.V., Verdegem, M.C.J.

Mogelijkheden voor zeecultuur in nieuwe getijdennatuur langs de Westerschelde (2004)

Brandenburg, W.A., Kamermans, P., Steenbergen, J., Verdegem, M.C.J.

Inventarisatie stand van zaken mosselkweek op open zee (2004)

Kamermans, P., Verdegem, M.C.J.

Ingestion and utilization of periphyton grown on artificial substrates by Nile tilapia, Oreochromis niloticus L. (2003)

Azim, M.E., Verdegem, M.C.J., Beveridge, M.C.M.

The study was carried out to quantify the periphyton biomass developed on glass substrates over time, to investigate the effects of periphyton quantity and fish size on the ingestion rate by fish,...

Ingestion and utilization of periphyton grown on artificial substrates by Nile tilapia , Oreochromis niloticus L. (2003)

Azim, M.E., Verdegem, M.C.J., Mantingh, I., Beveridge, M.C.M.

The study was carried out to quantify the periphyton biomass developed on glass substrates over time, to investigate the effects of periphyton quantity and fish size on the ingestion rate by fish,...

Production of Bacterial Single Cell Protein on Carbon Supplemented Fish Waste (2003)

Schneider, O., Sereti, V., Verdegem, M.C.J., Eding, E.H., Verreth, J.A.J.

Periphyton-water quality relationships in fertilized fishponds with artificial substrates (2003)

Azim, M.E., Milstein, A., Wahab, M.A., Verdegem, M.C.J.

The effects of periphyton substrate and fish stocking density on water quality (2003)

Azim, M.E., Verdegem, M.C.J., Singh, M., Beveridge, M.C.M.

The effects of periphyton, fish and fertilizer dose on biological processes affecting water quality in earthen fish ponds. (2003)

Milstein, A., Azim, M.E., Wahab, M.A., Verdegem, M.C.J.

Effects of C/N ratio and oxygen availability on fish feed decomposition and water quality parameters (2003)

Torres Beristain, B., Pilarczyk, A., Verdegem, M.C.J.

Fish feed decomposition effect of C/N ratio and oxygen availability on water quality parameters in marine waters (2003)

Torres Beristain, B., Sereti, V., Verdegem, M.C.J.

Integration of algae, duckweed and periphyton as biological water treatment processes in freshwater recirculation systems (2003)

Verdegem, M.C.J., Sereti, V., Eding, E.H.

Status of aquaculture and fisheries in Bangladesh (2003)

Azim, M.E., Wahab, M.A., Verdegem, M.C.J.

Towards Agricultural Diversification and Rural Poverty Alleviation: Development of Integrated Agriculture-Aquaculture Farming in the Mekong Delta, Vietnam (2003)

Nhan, D.K., Thanh, D.N., Duong, L.T., Verdegem, M.C.J.

A comparison of fertilization, feeding and three periphyton substrates for increasing fish production in freshwater pond aquaculture in Bangladesh (2002)

Azim, M.E., Verdegem, M.C.J., Khatoon, H., Wahab, M.A., Beveridge, M.C.M.

The effects of artificial substrates on freshwater pond productivity and water quality and the implications for periphyton-based aquaculture (2002)

Azim, M.E., Wahab, M.A., Verdegem, M.C.J., Beveridge, M.C.M.

As a first step in assessing the viability of periphyton-based fish production in South Asian pond aquaculture systems, the effects of artificial substrates on development of periphyton and on water...

Evaluation of polyculture of Indian major carps in periphyton-based ponds (2002)

Azim, M.E., Verdegem, M.C.J., Rahman, M.M., Wahab, M.A., Beveridge, M.C.M.

The effect of periphyton and supplemental feeding on the production of the indigenous carps Tor Khudree and Labeo fimbriatus (2002)

Keshavanath, P., Gangadhar, B., Ramesh, T.J., Beveridge, M.C.M., Verdegem, M.C.J.

Conceptualization and validation of a dynamic model for the simulation of nitrogen transformations and fluxes in fish ponds (2002)

Jimenez-Montealegre, R., Verdegem, M.C.J., Verreth, J.A.J.

Nitrogen is a key element in aquatic environments and an important pond management variable. In aquaculture systems, nitrogen accumulation eventually leads to a deterioration of the system. The...

Organic matter sedimentation and resuspension in Tilapia (Oreochromis niloticus) fish ponds during a growing cycle (2002)

Jimenez-Montealegre, R., Verdegem, M.C.J., Zamora, J.E., Verreth, J.A.J.

The rates of sedimentation and resuspension of organic carbon and total nitrogen were measured in earthen fishponds, based on nutrient input, water quality parameters and fish size and biomass....

The effect of active resuspension with low protein feed on water quality and fish production (Cyprinus carpio L.) (2002)

Baki, M.A., Avnimelech, Y., Verdegem, M.C.J.

A dynamic simulation model for growth of penaeid shrimp (2002)

Mishra, A.K., Verdegem, M.C.J.

Effect of cage size and stocking density on commercial fillet production of tilapia in cages (2002)

Huskens, F., Verdegem, M.C.J.

Sticks in the mud : periphyton-based aquaculture (2002)

Azim, M.E., Verdegem, M.C.J.

Annual progress report (2001) of the MHO cooperation project between Wageningen University and the Universidad Nacional de Costa Rica (2002)

Verdegem, M.C.J., Gunther, J.

Periphyton-based aquaculture: a sustainable technology for resource-poor farmers (2002)

Azim, M.E., Wahab, M.A., Verdegem, M.C.J., Beveridge, M.C.M.

Carp and pond fish culture: second edition Book Review (2002)

Verdegem, M.C.J.

The potential of fish production based on periphyton (2002)

Beveridge, M.C.M., Azim, M.E., Verdegem, M.C.J.

A Dynamic Simulation Model for Growth of Penaeid shrimps (2002)

Mishra, A.K., Verdegem, M.C.J.

Optimization of stocking ratios of two Indian major carps, rohu (Labeo rohita Ham.) and catla (Catla catla Ham.) in a periphyton-based aquaculture system (2001)

Azim, M.E., Wahab, M.A., Beveridge, M.C.M., Huisman, E.A., Verdegem, M.C.J.

The potential of periphyton-based culture of two Indian major carps, rohu Labeo rohita (Hamilton) and gonia Labeo gonius (Linnaeus) (2001)

Azim, M.E., Wahab, M.A., Beveridge, M.C.M., Verdegem, M.C.J.

The effects of periphyton, grown on bamboo substrates, on growth and production of two Indian major carps, rohu, Labeo rohita (Hamilton) and gonia, Labeo gonius (Linnaeus), were studied at the...

Optimization of fertilization rate for maximizing periphyton production on artificial substrates and the implications for periphyton-based aquaculture (2001)

Azim, M.E., Wahab, M.A., Beveridge, M.C.M., Milstein, A., Verdegem, M.C.J.

The effects of four rates of application of fertilizer, with cow manure (3000 kg ha1), urea (100 (kg ha1) and triple super phosphate (TSP) (100 kg ha1) (treatment F)), treatment F 0.5 (treatment...

A comparison of phytoplankton based/feed driven aquaculture production systems with periphyton-based systems and fish production under different stocking regimes: experience from Bangladesh (2001)

Äzim, M.E., Wahab, M.A., Verdegem, M.C.J., Roy, P.K., Beveridge, M.C.M.

Production of mahseer under different stocking regimes in tanks provided with different substrates: experiences from India (2001)

Gangadhar, B., Keshavanath, P., Ramesha, T.J., Beveridge, M.C.M., Verdegem, M.C.J.

Use of artificial substrates to enhance production of fresh water herbivorous fish in pond culture (2001)

Keshavanath, P., Gangadhar, B., Ramesh, T.J., Beveridge, M.C.M., Baird, D., ...

Two trials were conducted in mud-bottomed concrete tanks to assess the potential of using artificial substrates to enhance fish production in ponds. Three substrate types were tested: bamboo poles,...

On-farm evaluation of Indian major carp production with sugarcane bagasse as substrate for periphyton (2001)

Keshavanath, P., Ganghadar, B., Ramesh, T.J., Beveridge, M.C.M., Verdegem, M.C.J.

A simulation model for periphyton-based fish production in ponds (2001)

Azim, E.A., Verdegem, M.C.J.

Periphyton and fish production: an overview (2001)

Beveridge, M.C.M., Verdegem, M.C.J.

Nutritive value and utilization of periphyton (2001)

Verdegem, M.C.J., Azim, E.A.

Periphyton boosts production in pond aquaculture systems (2001)

Azim, E.A., Verdegem, M.C.J., Wahab, M.A., Beveridge, M.C.M.

Silver perch (Bidyanus bidyanus, Mitchell) of 65 g average weight were reared at high density under controlled conditions on diets containing 24.8nd 40.6␙rotein. Diets were fed at 2␘r 4␘f the...

Towards improved sustainability in ponds and recirculation systems (2001)

Verdegem, M.C.J., Eding, E.H., Verreth, J.A.J.

Periphyton-based aquaculture: potentials and constraints (2001)

Wahab, M.A., Azim, E.A., Verdegem, M.C.J.

Periphyton-based aquaculture and its potential in rural development (2001)

Beveridge, M.C.M., Verdegem, M.C.J., Wahab, M.A.

Growth and production of periphyton on substrates : Pheriphyton-based aquaculture and its potential in rural development (2001)

Keshavanath, P., Ramesha, T.J., Gangadhar, B., Beverigde, M.C.M., Verdegem, M.C.J.

Evaluation of three species polyculture of major Indian carps under the periphyton-based pond aquaculture systems (2001)

Azim, M.E., Verdegem, M.C.J.

Scope for periphyton-based aquaculture: effects of artificial substrates on freshwater pond productivity and water quality (2001)

Azim, M.E., Verdegem, M.C.J.

A comparison of traditional and periphytonpbased pond aquaculture systems in Bangladesh (2001)

Azim, M.E., Verdegem, M.C.J.

Performance of Tor khudree in fed and non-fed tanks with different densities of bamboo substrate (2001)

Keshavanath, P., Gangadhar, B., Rahmatullah, S.M., Beveridge, M.C.M., Verdegem, M.C.J.

The potential of periphyton-based aquaculture with native major carps in Bangladesh (2001)

Azim, M.E., Wahab, M.A., Rahmatullah, S.M., Beveridge, M.C.M., Verdegem, M.C.J.

Improved resource use efficiency in Asian integrated pond-dike systems (2001)

Verdegem, M.C.J.

The potential of periphyton-based aquaculture in South Asia (2001)

Beveridge, M.C.M., Verdegem, M.C.J.

Bamboe verhoogt visproductie spectaculair (2001)

Verdegem, M.C.J.

Periphyton-base aquaculture: a novel fish culture technology (2001)

Verdegem, M.C.J., Azim, M.E.

The role of domesticated farm animals in the human food chain (1999)

Tamminga, S., Zemmelink, G., Verdegem, M.C.J., Udo, H.M.J.

Appendix: Lakes and reservoirs in the ASEAN countries (1999)

Verdegem, M.C.J.

Comparison of effluents from pond and recirculating production systems receiving formulated diets (1999)

Verdegem, M.C.J., Eding, E.H., Verreth, J.A.J.

The impact of tiger shrimp, Penaeus monodon Fabricius, postlarvae stocking density on production in traditional tambak systems in East Java, Indonesia. (1998)

Hariati, A.M., Wiadnya, D.G.R., Fadjar, M., Muhammad, S., Faber, R., Verdegem, M.C.J., ...

Penaeus monodon (Fabricius) and Penaeus merguiensis (de Man) biculture in East Java, Indonesia. (1998)

Hariati, A.M., Wiadnya, D.G.R., Rini, R.K., Boon, J.H., Verdegem, M.C.J.

Analysis and management of organic matter and nitrogen in aquacultural ponds for a minimal waste production and optimal efficiency. Work plan June 1998 - June 1999. (1998)

Van Rooij, J.M., Verdegem, M.C.J., Verreth, J.A.J.

Analysis and management of organic matter and nitrogen in aquacultural ponds for a minimal waste production and optimal efficiency. Report of the first Project Monitoring Group Meeting, October 1998. (1998)

Verdegem, M.C.J., Verreth, J.A.J.

The potential of periphyton-based aquaculture systems in South Asia. Project Inception Meeting Report, December 1997. (1998)

Verdegem, M.C.J., Beveridge, M.C.M.

The potential of periphyton-based aquaculture systems in South Asia. Project Monitoring Report, August 1998. (1998)

Verdegem, M.C.J.

The potential of periphyton-based aquaculture systems in South Asia. Annual Report 1997-1998. (1998)

Verdegem, M.C.J., Beveridge, M.C.M., Baird, D.J., Keshavanath, P., Rahmatullah, S.M., ...

Book review of 'Land-water interactions of the dike-pond system' by Zhong Gonfu, Wang Zengqu & Wu Houshui. Translated by Vincent Rongjun Chen and reviewed by Peter Kelly, Presses Universitaires de Namur, 1997. (1998)

Verdegem, M.C.J.

Tilapia teelt: een overzicht. (1998)

Verdegem, M.C.J.

Periphyton-based aquaculture and the EC-funded PAISA project. (1998)

Beveridge, M., Verdegem, M.C.J., Wahab, Md.A., Keshavanath, P.

The potential for crop rotation in controlling diseases in shrimp culture. (1998)

Paclibare, J.O., Verdegem, M.C.J., Van Muiswinkel, W.B., Huisman, E.A.

The potential for crop rotation in controlling diseases in shrimp culture (1998)

Paclibare, J.O., Verdegem, M.C.J., Huisman, E.A.

Blood values of young Brazilian catfish Pseudoplatystoma corruscans (Agassiz, 1829) (1998)

Beelen, R., Heijden, T., Booms, G.H.R., Verdegem, M.C.J., Pavanelli, G.C.

Characterization of haemocytes of the black tiger shrimp (Penaeus monodon). (1997)

Taverne, N., Verdegem, M.C.J.

Effect of dietary lipid level on protein utilization and the size and proximate composition of body compartments of Colossoma macropomum (Cuvier). (1997)

Zamora, J.E., Verdegem, M.C.J.

Effect of number of meals and frequency of feeding on voluntary feed intake of Colossoma macropomum (Cuvier). (1997)

Verdegem, M.C.J.

Effect of feeding level on feed losses and feed utilization of soya and fish meal diets in Colossoma macropomum (Cuvier). (1997)

Faber, R., Zamora, J.E., Verdegem, M.C.J.

Two aspects of aquaculture systems: resource use and the accumulation of organic wastes. (1997)

Verdegem, M.C.J.

Influence of salinity and dietary composition on blood parameter values of hybrid red tilapia, Oreochromis niloticus (Linnaeus) x O. Mossambicus (Peters). (1997)

Verdegem, M.C.J., Hilbrands, A.D., Boon, J.H.

Pond production of Penaeus monodon in relation to stocking density, survival rate and mean weight at harvest in East Java, Indonesia. (1996)

Hariati, A.M., Wiadnya, D.G.R., Sukkel, M., Boon, J.H., Verdegem, M.C.J.

Penaeus monodon production related to water quality in East Java, Indonesia. (1996)

Hariati, A.M., Wiadnya, D.G.R., Tanck, M.W.T., Boon, J.H., Verdegem, M.C.J.

Feed consumption, growth and protein utilization of Colossoma macropomum (Cuvier) at different dietary fish meal/soya meal ratios. (1996)

Huisman, E.A., Verdegem, M.C.J.

Comparison of amino acid profiles of feeds and fish as a quick method for selection of feed ingredients: a case study for Colossoma macropomum (Cuvier). (1996)

Huisman, E.A., Verdegem, M.C.J.

The effect of dietary protein level on growth, protein utulization and body composition of Colossoma macropomum (Cuvier). (1995)

Machiels, M.A.M., Verdegem, M.C.J.

Produksi budidaya udang windu (Penaeus monodon) di Jawa Timur: Hubangannya dengan kualitas air tambak. (1995)

Hariati, A.M., Wiadnya, D.G.R., Tanck, M.W.T., Boon, J.H., Verdegem, M.C.J.

Produksi tambak udang windu (Penaeus monodon) di Jawa Timur: Hubangannya dengan padat tebar, survival rate dan berat individu saat panen. (1995)

Hariati, A.M., Wiadnya, D.G.R., Sukkel, M., Boon, J.H., Verdegem, M.C.J.

Recent developments of Peneaus monodon and Penaeus merguiensis culture in East-Java. (1995)

Hariati, A.M., Wiadnya, D.G.R., Prajitno, A., Sukkel, M., Boon, J.H., Verdegem, M.C.J.

Perkembangan budidaya udang windu (Penaeus monodon) dan udang putih (Penaeus merguensis) di Jawa Timur. (1995)

Hariati, A.M., Wiadnya, D.G.R., Prajitno, A., Sukkel, M., Boon, J.H., Verdegem, M.C.J.

The growth of juvenile 'jaguar guapote' (Cichlasoma managuense) fed diets with different carbohydrate levels (1995)

Ulloa Rojas, J.B., Verdegem, M.C.J.

Possibilities for development of extensive fish farming in upland river valley systems in West Zambia. (1994)

Rothuis, A.J., Bastiaaansen, C., Verdegem, M.C.J.

The prevalence of Ruptured Intestine Syndrome in African catfish Clarias gariepinus (Burchell, 1822) fed different rations when between 3 and 5 weeks old. (1994)

Hariati, A.M., Machiels, M.A.M., Verdegem, M.C.J., Boon, J.H.

A dietary effect on some blood parameters of rainbow trout, (Oncorhychus mykiss). (1994)

Schippers, C., Ulloa Rojas, J.B., Booms, G.H.R., Machiels, M.A.M., Verdegem, M.C.J., Boon, J.H.

Shrimp culture in East Java, recent developments and culture practices. (1994)

Verdegem, M.C.J., Hariati, A.M., Wiadnya, D.G.R., Boon, J.H.

Shrimp culture in East Java, recent developments and culture practices. (1994)

Verdegem, M.C.J., Hariati, A.M., Wiadnya, D.G.R., Boon, J.H.

Tropical aquaculture: its constraints, opportunities, and development (1993)

Huisman, E.A., Born, A.F., Verdegem, M.C.J.

The aquaculture potential of wetlands, in Niger State, Nigeria, West Africa. (1990)

Verdegem, M.C.J., Huisman, E.A., Hekstra, P., Lette, J.

Commercial fish farming at village level in the Bida Area, Niger State, Nigeria. Part IV: Modified project proposal: From fishery to aquaculture, a development scheme for aquaculture in the west African Region. (1990)

Verdegem, M.C.J., Hekstra, P., Röling, N.G., Huisman, E.A.

External assistance to the aquaculture sector, practices and recommendations. (1989)

Verdegem, M.C.J., Huisman, E.A.

Evaluation of edge seining for harvesting Oreochromis niloticus fry from spawning ponds. (1989)

Verdegem, M.C.J., McGinky, A.

Commercial fish farming at village level in the Bida Area, Niger State, Nigeria. Part I. An assessment of the potential. (1988)

Hekstra, P., Verdegem, M.C.J., Lette, J., Huisman, E.A.

Commercial fish farming at village level in the Bida Area, Niger State, Nigeria. Part II. A tentative proposal for a development project. (1988)

Hekstra, P., Verdegem, M.C.J., Lette, J., Huisman, E.A.

Commercial fish farming at village level in the Bida Area, Niger State, Nigeria. Part III. From fishery to aquaculture development scheme for aquaculture. (1988)

Hekstra, P., Verdegem, M.C.J., Lette, J., Huisman, E.A.

The development of commercial aquaculture in Central America. Part I. An integrated regional Aquaculture Development Scheme. (1988)

Verdegem, M.C.J., Verreth, J.A.J.

Internal project evaluation report. (1988)

Verdegem, M.C.J., Verreth, J.A.J.

The development of commercial aquaculture in Central America. Part II. The upgrading of training and research at the Escuela Ciencias Biologicas, Costa Rica. (1988)

Verreth, J.A.J., Verdegem, M.C.J.

Effects of frequency of egg and fry removal on spawning by Tilapia nilotica in hapas (1987)

Verdegem, M.C.J., McGinty, A.S.

Tilapia nilotica were spawned in small-mesh net enclosures called hapas. During a 5-week period, eggs and fry were removed from mouth-brooding females at examination intervals of 2, 4, 7, or 10 d. A...