Unlike resident bird species, the population sizes of migratory species can be influenced by
conditions in more than one part of the world. Changes in the numbers of migrant birds …

More and more studies are demonstrating that populations of animals‐from herbivores to top
predators, vertebrates and invertebrates‐are limited by their food, and that the availability of …

Spring migration is generally considered as a crucial period of the year for many birds, not
the least due to its supposed importance for subsequent breeding success. By reviewing the …

Abstract Ecological features of Lake Myvatn and the outflowing River Laxá show a wide
range of spatial and temporal variations. The physical division of the lake into three main …

The boreal biome is rich in running waters suitable for the development of black flies. Here
we review the ecological roles of black flies and the options available for their management …

We analysed annual changes in abundance of Eurasian Wigeon (Anas penelope) derived
from mid-winter International Waterbird Census data throughout its northwest European …

Food availability varies considerably over space and time in wetland systems, and
consumers must be able to track those changes during energetically‐demanding points in …

Food is an important factor affecting survival in many bird species, but this relationship has
rarely been explored experimentally with respect to reproductive output of precocial birds. In …

Wetland management by the Eastern Habitat Joint Venture (EHJV) has focused primarily on
water level control to increase the amount of available brood-rearing habitat for waterfowl …

Effects of local weather on individuals and populations are key drivers of wildlife responses
to climatic changes. However, studies often do not last long enough to identify weather …