Landscape structure shapes carnivore-mediated seed dispersal kernels
نویسندگان
چکیده
منابع مشابه
Effective seed dispersal across a fragmented landscape.
The role of seed dispersal in maintaining genetic connectivity among forest fragments has largely been ignored because gene flow by pollen is expected to predominate. By using genealogical reconstruction, we investigated gene flow after establishment of seeds in a wind-pollinated, wind-dispersed tree. Our data show that seed dispersal is the main vector of gene flow among remnants and that long...
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Ben T. Hirsch*, Marco D. Visser, Roland Kays and Patrick A. Jansen New York State Museum, 3140 CEC, Albany, NY 12230, USA; Smithsonian Tropical Research Institute, Unit 9100, Box 0948, DPO AA 34002-9898, USA; Department of Experimental Plant Ecology, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands; Centre for Ecosystem Studies, Wageningen University and Resear...
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Habitat fragmentation threatens biodiversity by disrupting dispersal. The mechanisms and consequences of this disruption are controversial, primarily because most organisms are difficult to track. We examined the effect of habitat corridors on long-distance dispersal of seeds by birds, and tested whether small-scale (<20 meters) movements of birds could be scaled up to predict dispersal of seed...
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[1] Mathematical models of banded vegetation patterns predict rapid upslope migration of vegetated patches not realized in field observations, a key point of disagreement between theory and observation. It is shown that the disagreement between model results and field observations can arise from seed dispersal dynamics. Two representations of biomass movement are used to test the hypothesis tha...
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Weed seed predation by invertebrates and vertebrates was compared between a simple (large crop fields embedded in a matrix of widely scattered woodlots and hedgerows) and a complex (small crop fields embedded in a matrix of numerous hedgerows and woodlots) agricultural landscape in southern Michigan. The structural differences between landscapes were evaluated by analysis of aerial photographs ...
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ژورنال
عنوان ژورنال: Landscape Ecology
سال: 2015
ISSN: 0921-2973,1572-9761
DOI: 10.1007/s10980-015-0283-4