Tropical Ecology: Riparian Corridors Connect Fragmented Forest Bird Populations
نویسنده
چکیده
Landscape corridors connecting habitat patches may help overcome the genetic and demographic problems of small and isolated populations. An elegant field experiment shows that some Costa Rican forest birds will use 'riparian' (river margin) corridors to get back home, but they can be picky about corridor quality.
منابع مشابه
Riparian corridors enhance movement of a forest specialist bird in fragmented tropical forest.
Riparian corridors and fencerows are hypothesized to increase the persistence of forest animals in fragmented landscapes by facilitating movement among suitable habitat patches. This function may be critically important for forest birds, which have declined dramatically in fragmented habitats. Unfortunately, direct evidence of corridor use has been difficult to collect at landscape scales and t...
متن کاملStructure and diversity of phyllostomid bat assemblages on riparian corridors in a human-dominated tropical landscape
Tropical forests around the world have been lost, mainly because of agricultural activities. Linear elements like riparian vegetation in fragmented tropical landscapes help maintain the native flora and fauna. Information about the role of riparian corridors as a reservoir of bat species, however, is scanty. We assessed the value of riparian corridors on the conservation of phyllostomid bat ass...
متن کاملGene Flow of a Forest-Dependent Bird across a Fragmented Landscape
Habitat loss and fragmentation can affect the persistence of populations by reducing connectivity and restricting the ability of individuals to disperse across landscapes. Dispersal corridors promote population connectivity and therefore play important roles in maintaining gene flow in natural populations inhabiting fragmented landscapes. In the prairies, forests are restricted to riparian area...
متن کاملCorridors restore animal-mediated pollination in fragmented tropical forest landscapes.
Tropical biodiversity and associated ecosystem functions have become heavily eroded through habitat loss. Animal-mediated pollination is required in more than 94% of higher tropical plant species and 75% of the world's leading food crops, but it remains unclear if corridors avert deforestation-driven pollination breakdown in fragmented tropical landscapes. Here, we used manipulative resource ex...
متن کاملFine-scale movement decisions of tropical forest birds in a fragmented landscape.
The persistence of forest-dependent species in fragmented landscapes is fundamentally linked to the movement of individuals among subpopulations. The paths taken by dispersing individuals can be considered a series of steps built from individual route choices. Despite the importance of these fine-scale movement decisions, it has proved difficult to collect such data that reveal how forest birds...
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ورودعنوان ژورنال:
- Current Biology
دوره 19 شماره
صفحات -
تاریخ انتشار 2009