Results 31 to 40 of about 5,997 (263)
Aerial surveys of waterbirds in Australia [PDF]
AbstractTracking long-term environmental change is important, particularly for freshwater ecosystems, often with high rates of decline. Waterbirds are key indicators of freshwater ecosystem change, with groups reflecting food availability (e.g. piscivores and fish).
Kingsford, RT +3 more
openaire +3 more sources
Wildlife populations: colonial nesting waterbirds [PDF]
This publication discusses the populations of various species of waterbirds in New ...
core +1 more source
Fecal pollution in coastal areas is of a high concern since it affects bathing and shellfish harvesting activities. Wild waterbirds are non-negligible in the overall signal of the detectable pollution.
Amine M. Boukerb +8 more
doaj +1 more source
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
Waterbirds as Bioindicators of Environmental Conditions [PDF]
We give examples of how waterbirds can be valuable indicators of changes in aquatic systems. Eutrophication is a widespread problem that can increase the food supply for some birds and hence increase their population size (e.g.
Green, Andy J., Amat, Juan A.
core +1 more source
Food competition between waterbirds and fish [PDF]
Food competition between waterbirds and fish can be a crucial factor in todays wetland ecosystems. In certain situations it can be decisive if a specific site is still suitable for waterbirds or not.
Bečvář, Viktor
core
Identifying important habitats for waterbird conservation at a Greek Regional Nature Park
Background Small coastal wetlands are vital sites for wintering waterbirds. Identifying important habitats is critical for managing waterbirds effectively.
Vasilios Liordos +1 more
doaj +1 more source
Post-fledging habitat selection of a Purple Heron Ardea purpurea revealed by GPS/GSM telemetry
The Purple Heron is a species of conservation concern in Europe, mainly threatened by the progressive degradation and reduction of wetlands.
Michelangelo Morganti +4 more
doaj +1 more source
Distribution and Trends of Endemic Hawaiian Waterbirds [PDF]
Four endemic species of wetland-dependent waterbirds occur on the main Hawaiian Islands, all of which have experienced sharp population declines and are listed as endangered species.
Paxton, Eben H. +5 more
core +1 more source
Waterbirds targeted in Iran's wetlands [PDF]
Millions of migratory birds arrive each autumn at Fereydunkenar International Wetland (FIW) in Iran due to its rich ecosystem ([ 1 ][1]). FIW comprises 5427 ha located in the southern Caspian Sea and includes Fereydunkenar, Sorkhrud, and Azbaran lagoons, which are designated as Wetlands ...
Parchizadeh, Jamshid +1 more
openaire +3 more sources

