نتایج جستجو برای: endozoochory

تعداد نتایج: 89  

Journal: :Biogeosciences 2022

Abstract. Contrary to most soils, permafrost soils have the atypical feature of being almost entirely deprived soil fauna. Abiotic constraints on fate carbon after thawing are increasingly understood, but biotic remain scarcely investigated. Incubation studies, essential estimate effects thaw cycling, typically measure consequences in isolation from topsoil and thus do not account for altered i...

Journal: :Heliyon 2023

Endozoochory is a substantial vector for seed dispersal and plays an important role in vegetation dynamics, mainly colonisation processes through input to the soil bank. We investigated endozoochorous by cattle sheep on pasture located western region of Burkina Faso. Through germination experiments, we assessed viable content dung these grazing animals estimate their suitability efficiency fodd...

2017
C. H. A. van Leeuwen G. van der Velde

The widespread distributions of aquatic species often contrast with their limited ability to disperse by their own propulsion among wetlands isolated by land. Studies of the potential role of water birds as dispersal vectors have been focused mainly on internal transport (endozoochory). However, many anecdotal observations that small species adhere to flying birds also exist (ectozoochory). We ...

Journal: :Revista de biologia tropical 2011
Adriana Guzmán Pablo R Stevenson

Most studies on seed dispersal in time have focused on seed dormancy and the physiological triggers for germination. However, seed dispersed by animals with low metabolic and moving rates, and long gut-passage times such as terrestrial turtles, could be considered another type of dispersal in time. This study tests the hypothesis that seeds dispersed in time may lower predation rates. We predic...

Journal: :Aquatic Sciences 2021

Abstract Waterbirds can transport aquatic invertebrates internally, contributing to metapopulation dynamics between habitats in a terrestrial matrix. However, research into this dispersal process date has focused on individual field sites or laboratory studies. We investigated the dispersed by endozoochory lesser black-backed gull Larus fuscus wintering Andalusia, south-west Spain 2016–2017, co...

Journal: :ecopersia 2015
reza erfanzadeh seyed hamzeh hosseini kahnuj

epizoochory and endozoochory are well-known mechanisms by which seeds are dispersed by animals. since, livestock gather around the watering-points to rest and drink, we expected to find that seeds would be frequently moved to the areas surrounding watering-points, resulting a higher soil seed density (and diversity) closest to the water. we investigated this issue by assessing soil seed bank de...

2016
Jason T. Cantley Adrienne S. Markey Nathan G. Swenson Sterling C. Keeley

The historical biogeography of many lineages-of both terrestrial and marine ocean habitats-remains poorly investigated even though remote ocean habitat covers approximately 66% of the Earth's surface. One such lineage with poorly understood biogeographic affinities across vast ocean habitat is the genus Coprosma (Rubiaceae) with numerous species, and a widespread and disjunct distribution among...

2004
Jonathan A. Myers Mark Vellend P. L. Marks

For many plant species in eastern North America, short observed seed dispersal distances (ranging up to a few tens of meters) fail to explain rapid rates of invasion and migration. This discrepancy points to a substantial gap in our knowledge of the mechanisms by which seeds are dispersed long distances. We investigated the potential for white-tailed deer (Odocoileus virginianus Zimm.), the dom...

Journal: :PeerJ 2016
Guillermo Blanco Carolina Bravo Erica C Pacifico Daniel Chamorro Karina L Speziale Sergio A Lambertucci Fernando Hiraldo José L Tella

Despite the fact that parrots (Psitacifformes) are generalist apex frugivores, they have largely been considered plant antagonists and thus neglected as seed dispersers of their food plants. Internal dispersal was investigated by searching for seeds in faeces opportunistically collected at communal roosts, foraging sites and nests of eleven parrot species in different habitats and biomes in the...

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