Results 31 to 40 of about 189,173 (351)

Assessing prioritization measures for a private land conservation program in the U.S. Prairie Pothole Region

open access: yesConservation Science and Practice, 2023
Private land conservation has become an important tool for protecting biodiversity and habitat, but methods for prioritizing and scheduling conservation on private land are still being developed.
Kaylan M. Kemink   +8 more
doaj   +1 more source

Metagenomic characterisation of avian parvoviruses and picornaviruses from Australian wild ducks

open access: yesScientific Reports, 2020
Ducks can shed and disseminate viruses and thus play a role in cross-species transmission. In the current study, we detected and characterised various avian parvoviruses and picornaviruses from wild Pacific black ducks, Chestnut teals, Grey teals and ...
Jessy Vibin   +4 more
semanticscholar   +1 more source

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

open access: yesEnvironmental 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   +5 more
doaj   +1 more source

Poultry population dynamics and mortality risks in smallholder farms of the Mekong river delta region [PDF]

open access: yes, 2019
Background: Poultry farming is widely practiced by rural households in Vietnam and the vast majority of domestic birds are kept on small household farms. However, smallholder poultry production is constrained by several issues such as infectious diseases,
Boni, Maciej F.   +6 more
core   +1 more source

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

open access: yesAvian 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   +3 more
doaj   +1 more source

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

open access: yesCanadian 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   +3 more
doaj   +1 more source

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

open access: yesAvian 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   +3 more
doaj   +1 more source

Agricultural destruction of Northern Pintail nests on cropland in prairie Canada

open access: yesAvian 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

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

open access: yesJournal 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   +5 more
doaj   +1 more source

Local, Short-term Effects of Forest Harvesting on Breeding Waterfowl and Common Loon in Forest-Dominated Landscapes of Quebec

open access: yesAvian Conservation and Ecology, 2007
Northern forests are major breeding habitats for several waterfowl and other waterbird species. In Quebec, as in many other areas within the boreal region, clear-cut logging is an important human activity, and it is likely to affect ground- and cavity ...
Louis-Vincent Lemelin   +3 more
doaj   +1 more source

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