Results 11 to 20 of about 18,168 (193)

Winter coexistence in herbivorous waterbirds: Niche differentiation in a floodplain, Poyang Lake, China

open access: yesEcology and Evolution, 2021
The classical niche theory supports the idea that stable coexistence requires ecological differences between closely related species. However, information on waterbirds coexistence in the entirely landlocked freshwater system of Poyang Lake is not well ...
Junpeng Bai   +11 more
doaj   +1 more source

Impact of water level on spring bird assemblages in a natural river valley in central Europe

open access: yesThe European Zoological Journal, 2023
Water level appears to be crucial for waterbirds, especially in the changeable conditions prevailing in river valleys. One of the best preserved Central European rivers is the Biebrza in north-eastern Poland, which seasonally overflows in spring ...
Ł. Krajewski   +3 more
doaj   +1 more source

Evaluation of fall‐seeded cover crops for grassland nesting waterfowl in eastern South Dakota

open access: yesWildlife Society Bulletin, EarlyView., 2023
Cover crops are experiencing a revival among Midwestern farmers, and we assessed their attractiveness and safety for nesting ducks in South Dakota. Nest success was markedly lower in cover crops than in perennial cover during both years of our study, including 2019 which was a best‐case scenario for cover crops, with extremely wet conditions delaying ...
Charles W. Gallman   +3 more
wiley   +1 more source

Avian malaria is absent in juvenile colonial herons (Ardeidae) but not Culex pipiens mosquitoes in the Camargue, Southern France [PDF]

open access: yes, 2015
Apicomplexan blood parasites Plasmodium and Haemoproteus (together termed “Avian malaria”) and Leucocytozoon are widespread, diverse vector-transmitted blood parasites of birds, and conditions associated with colonial nesting in herons (Ardeidae) and ...
Gauthier-Clerc, Michel   +1 more
core   +5 more sources

Size matters: the value of small populations for wintering waterbirds [PDF]

open access: yes, 2004
Protecting systematically selected areas of land is a major step towards biodiversity conservation worldwide. Indeed, the identification and designation of protected areas more often than not forms a core component of both national and international ...
Atkinson-Willes G. L.   +26 more
core   +1 more source

Neglected parasite reservoirs in wetlands: Prevalence and diversity of avian haemosporidians in waterbird communities in Northeast China

open access: yesInternational Journal for Parasitology: Parasites and Wildlife, 2021
The diversity of waterbirds is threatened, and haemosporidian parasite infection is considered one of the most important causative factors. However, to date, only a few studies focusing on specific parasite species have been carried out, which cannot ...
Guocheng Yang   +7 more
doaj   +1 more source

Seasonal variation in species richness and abundance of waterbirds in Mole National Park, Ghana: Implication for conservation and ecotourism

open access: yesKoedoe: African Protected Area Conservation and Science, 2018
Mole National Park is the largest and the oldest national park in Ghana and an important bird area, yet its waterbird fauna is poorly documented because it is situated in the northern ecological zone far away from the coast of Ghana.
Timothy K. Aikins   +2 more
doaj   +1 more source

Differences of water chemistry, bird assemblages and nutrient loads introduced by waterbirds into morphologically similar waterbodies

open access: yesOceanological and Hydrobiological Studies, 2023
The number and structure of waterbirds is affected by the size of the waterbody, the presence of islands and macrophytes, but also by their trophy status. The aims of the study were to compare nutrients in water, numbers of waterbird assemblages, and the
Gwiazda Robert, Kosiba Joanna
doaj   +1 more source

Ecological insights on the feeding behaviour of waterbirds in an Important Bird and Biodiversity Area of South West Johor Coast, Malaysia [PDF]

open access: yesBiodiversity Data Journal
Mangroves and mudflats are essential intertidal habitats that support benthic communities, providing critical feeding grounds for waterbirds. However, the degradation of these habitats due to coastal reclamation poses significant threats to prey ...
Nur Athirah Fauzi   +3 more
doaj   +3 more sources

Scenario analysis with a simulation model of the effect of waterbirds on phosphorus dynamics of a shallow freshwater ecosystem

open access: yesEnvironmental Challenges, 2022
Many freshwater systems throughout the world support a high number of waterbird congregations. Previous works suggest waterbirds have the potential to deposit a considerable amount of nutrients into the waterbody that may cause eutrophication.
Sagar Adhurya, PhD, Santanu Ray, PhD
doaj   +1 more source

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