Results 11 to 20 of about 50,393 (292)

Ducks.

, 2013
Ducks
Thomason, John W. (John William), 1893-1944
core   +9 more sources

An Object-Based Assessment of Multi-Wavelength SAR, Optical Imagery and Topographical Datasets for Operational Wetland Mapping in Boreal Yukon, Canada

Canadian Journal of Remote Sensing, 2019
The authors evaluated multiple remotely sensed datasets for their contributions to operational wetland mapping in a subarctic, boreal cordillera study site in Yukon, Canada.
Michael A. Merchant, Rebecca K. Warren, Rebecca Edwards, James K. Kenyon   +3 more
doaj   +1 more source

Distribution of priority grassland bird habitats in the Prairie Pothole Region of Canada

Avian Conservation and Ecology, 2018
Grassland ecosystems and the species that rely on them are one of the most urgent habitat conservation concerns in North America. Fundamental to any landscape conservation efforts is the identification of priority habitats to help target management ...
Bradley C. Fedy, James H. Devries, David W. Howerter, Jeffrey R. Row   +3 more
doaj   +1 more source

Source or sink? Meta-analysis reveals diverging controls of phosphorus retention and release in restored and constructed wetlands

Environmental Research Letters, 2023
Wetland restoration is a popular nutrient management strategy for improving water quality in agricultural catchments. However, a wetland’s ability to retain phosphorus is highly variable and wetlands can sometimes be a source of phosphorus to downstream ...
Emily A Ury, Puvaanah Arrumugam, Ellen R Herbert, Pascal Badiou, Bryan Page, Nandita B Basu   +5 more
doaj   +1 more source

Costs of Reproduction in Breeding Female Mallards: Predation Risk during Incubation Drives Annual Mortality

Avian Conservation and Ecology, 2012
The effort expended on reproduction may entail future costs, such as reduced survival or fecundity, and these costs can have an important influence on life-history optimization.
Todd W. Arnold, Erin A. Roche, James H. Devries, David W. Howerter   +3 more
doaj   +1 more source

Ducks.

Ducks
Thomason, John W. (John William), 1893-1944
core   +9 more sources

Agricultural destruction of Northern Pintail nests on cropland in prairie Canada

Avian Conservation and Ecology, 2018
It has been postulated that the decline of the Northern Pintail (Anas acuta) population is related to the propensity of female pintails to nest in cropland.
David C. Duncan, James H. Devries
doaj   +1 more source

Whole-genome resequencing provides insights into the population structure and domestication signatures of ducks in eastern China

BMC Genomics, 2021
Background Duck is an ancient domesticated animal with high economic value, used for its meat, eggs, and feathers. However, the origin of indigenous Chinese ducks remains elusive.
Peishi Feng, Tao Zeng, Hua Yang, Guohong Chen, Jinping Du, Li Chen, Junda Shen, Zhenrong Tao, Ping Wang, Lin Yang, Lizhi Lu   +10 more
doaj   +1 more source

Production potential of the first generation of selected Pitalah and Bayang ducks as a community economic resource in West Sumatra

Journal of Advanced Veterinary and Animal Research, 2023
Objectives: This study aimed to measure the production potential of selected Pitalah and Bayang male ducks and their first generation. Materials and Methods: A total of 100 Pitalah and 100 Bayang 1-day-old ducks (40 males, 60 females) were obtained from ...
Zasmeli Suhaemi, Sabrina Sabrina, Nita Yessirita, Nelzi Fati, Febriani Febriani, Burhanudin Malik   +5 more
doaj   +1 more source

The influence of food abundance patterns and predation on breeding ducks with a special emphasis on the interactions between ducklings and fish [PDF]

, 2011
Ducks breeding in Fennoscandia represent a large part of the total population in Europe, and variations in reproductive success can affect continental population trajectories.
Dessborn, Lisa
core   +1 more source