Search Results - subject:"Ducks"

Did you mean: subject:"duck" (20 results)

Multi-country willingness to pay for transborder migratory species conservation : a case study of Northern Pintails

Haefele, Michelle A.; Loomis, John B.; Lien, Aaron M.; … - In: Ecological economics : the transdisciplinary journal of … 157 (2019), pp. 321-331

Persistent link: https://www.econbiz.de/10012166124

Economic valuation of a wetland in West Bengal, India

Mukherjee, Sacchidananda - International Water Management Institute (IWMI) - 2008

Persistent link: https://www.econbiz.de/10008741120

Integrating fish and azolla into rice-duck farming in Asia

Cagauan, A.G.; Branckaert, R.D.; van Hove, C. - In: Naga 23 (2000) 1, pp. 4-10

the production potential of the system. Fish, azolla and ducks integrated with rice farming can result in nutrient …

Persistent link: https://www.econbiz.de/10010554040

Host-parasite relatedness in wood ducks: patterns of kinship and parasite success

Nielsen, Charlotte Roy; Semel, Brad; Sherman, Paul W.; … - In: Behavioral Ecology 17 (2006) 3, pp. 491-496

We investigated the role of kinship in intraspecific nest parasitism of wood ducks (Aix sponsa). Among waterfowl … host females may be reduced if parasites lay eggs with kin. However, previous observations of marked wood ducks indicated …

Persistent link: https://www.econbiz.de/10008577360