Results 1 to 10 of about 2,006,275 (401)

Impacts and Challenges of ICT Based Scale-up Campaigns: Lessons Learnt from the Use of SMS to Support Maize Farmers in the UPTAKE Project, Tanzania

Data Science Journal, 2020
Providing smallholder farmers with support through conventional government extension approaches is challenging as the number of extension agents is decreasing. At the same time, new information and communication technologies (ICTs), such as short message
Lucy Karanja, Stephanie Gakuo, Monica Kansiime, Dannie Romney, Henry Mibei, James Watiti, Leonard Sabula, Daniel Karanja   +7 more
doaj   +1 more source

A 30,000-km journey by Apus apus pekinensis tracks arid lands between northern China and south-western Africa

Movement Ecology, 2022
Background As a widely distributed and aerial migratory bird, the Common Swift (Apus apus) flies over a wide geographic range in Eurasia and Africa during migration.
Yanyan Zhao, Xinru Zhao, Lan Wu, Tong Mu, Fang Yu, Lyndon Kearsley, Xuan Liang, Jianping Fu, Xiaoru Hou, Peng Peng, Xiaoyang Li, Tao Zhang, Su Yan, Dick Newell, Chris M. Hewson, Terry Townshend, Susanne Åkesson, Yang Liu   +17 more
doaj   +1 more source

Spatially different annual cycles but similar haemosporidian infections in distant populations of collared sand martins

BMC Zoology, 2021
Background Populations of long-distance migratory birds experience different environments and are consequently exposed to different parasites throughout their annual cycles.
Steffen Hahn, Martins Briedis, Christos Barboutis, Raffaella Schmid, Martin Schulze, Nina Seifert, Tibor Szép, Tamara Emmenegger   +7 more
doaj   +1 more source

PRELIMINARY BASELINE SURVEY OF AVIFAUNAL DIVERSITY IN JIMMA ZONE, SOUTH-WESTERN ETHIOPIA [PDF]

, 2010
Multidimensional poverty, which is deeply-rooted within least-developed African countries like Ethiopia, is forcing local people to heavily rely on natural resources for their subsistent livelihoods.
Bart Muys, Bruktawit Abdu, Cagan Hakki Sekercioglu, Haile Yineger, Haile Yineger, James Kuria Ndungu', Kitessa Hundera, Luc Lens, Olivier Honnay, Raf Aerts, Tifases Beyene   +10 more
core   +2 more sources

Tree cavity use by Chimney Swifts: implications for forestry and population recovery

Avian Conservation and Ecology, 2014
The Chimney Swift (Chaetura pelagica) is an aerial insectivore and a cavity-nesting/roosting specialist designated as threatened in several jurisdictions.
Carolyn Zanchetta, Douglas C. Tozer, Trina M. Fitzgerald, Kristyn Richardson, Debbie Badzinski   +4 more
doaj   +1 more source

Spatial ecology of little egret (Egretta garzetta) in Hong Kong uncovers preference for commercial fishponds [PDF]

PeerJ, 2020
Many natural wetlands have been converted to human-influenced wetlands. In some instances, human-influenced wetlands could provide complementary habitats for waterbirds, compensating for the loss of natural wetlands.
Chun-chiu Pang, Yik-Hei Sung, Yun-tak Chung, Hak-king Ying, Helen Hoi Ning Fong, Yat-tung Yu   +5 more
doaj   +2 more sources

Urbanization, environmental stabilization and temporal persistence of bird species: A view from Latin America [PDF]

, 2018
Background. A scarcely studied consequence of urbanization is the effect of temporal stabilization of the environment on bird communities. This alteration is thought to dampen environmental variations between day and night, seasons and years, promoting a
Leveau, Lucas Matias
core   +2 more sources

Spatio-temporal variation in European starling reproductive success at multiple small spatial scales [PDF]

, 2015
Funding Information This work received funding from the Natural Environment Research Council, Fair Isle Bird Observatory Trust and the Royal Society.
Aparicio, Arlt, Banda, Blondel, Burnham, Chave, Chivers, Cornell, Cornulier, Coulson, Coulson, Coulson, Cowen, Donovan, Feare, Fernandez-Juricic, Fortescue, Gaillard, Hanski, Husby, Johnson, Keyser, Knegt, Krüger, Levin, Mcclaren, McPeek, Murphy, Nagy, Nystrand, Orians, Ozgul, Paradis, Pulliam, Pulliam, R Development Core Team, Reid, Reid, Reid, Rodenhouse, Roos, Russell, Saether, Saether, Sandel, Sandel, Saracco, Sergio, Sim, Siriwardena, Smith, Sonsthagen, Steen, Sutherland, Talley, Templeton, Thomas, Thompson, Tschumi, Venables, Vásquez, Wheatley, Whittingham, Wiens, Wilson, Yeager, Zuur   +66 more
core   +1 more source

Intratropical migration of the Hook-billed Kite (Chondrohierax uncinatus) in Middle America

Journal of Field Ornithology, 2023
The Hook-billed Kite (Chondrohierax uncinatus) is a specialized and secretive Neotropical raptor that has received little research attention. Despite scattered records of Hook-billed Kite movements, this species was long thought to be non-migratory.
Ryan A. Phillips, Kashmir Wolf, Ryan P. Bourbour, Jonathan A. Urbina, Jorge Eduardo Ruano, Victor M. Bonilla, Victor Gamez, Isael I. Mai, Isaias Morataya, Ronaldi A. Martinez, Liberato Pop, Philip M. Balderamos, H. Lee Jones, Ronald E. Melcer Jr., Lynne A. Trulio, Ernesto Ruelas Inzunza   +15 more
doaj  

Modeling detection probability to improve marsh bird surveys in southern Canada and the Great Lakes states

Avian Conservation and Ecology, 2016
Marsh birds are notoriously elusive, with variation in detection probability across species, regions, seasons, and different times of day and weather.
Douglas C. Tozer, Kiel L. Drake, C. Myles. Falconer   +2 more
doaj   +1 more source