Results 41 to 50 of about 1,629 (192)
Past and present disturbances generate spatial variation in seed predation
Ecosphere, 2020 Seed survival is a key process for plant populations; variation in the activity and abundance of animals that consume seeds can lead to dramatic shifts in seed fate.
Savannah L. Bartel, John L. Orrock
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Lepidopteran Granivory Reduces Seed Counts in a Rare Species of Riparian Scour Prairies
Natural Areas Journal, 2021 In Pennsylvania Baptisia australis var. australis is found along only four waterways: the Allegheny River, Youghiogheny River, Clarion River, and Red Bank Creek. Because of its limited distribution and small number of extant populations, the species is considered state-threatened in Pennsylvania.
Moore, Cheyenne +3 more
openaire +3 more sources
Ecosphere, 2017 Escaping seed predation is a classic “economy of scale” hypotheses (predator satiation hypothesis, Psh) to explain the selection for the synchronous production of massive and nil seed crops (masting) in plants.
Josep Maria Espelta +5 more
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European Journal of Entomology, 2014 Carabid beetles could potentially provide a number of ecosystem services in arable fields, including the regulation of weeds by eating seeds. Spatio-temporal variability in the incidence of predation combined with a limited understanding of the ...
Sandrine PETIT +2 more
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Convergent evolution of social hybridogenesis in Messor harvester ants. [PDF]
, 2016 Sexual reproduction generally requires no more than two partners. Here, we show convergent evolution of social hybridogenesis, a reproductive system requiring three reproductive partners in harvester ants.
Fournier, A. +3 more
core +2 more sources
Host-Parasite Interactions from the Inside: Plant Reproductive Ontogeny Drives Specialization in Parasitic Insects. [PDF]
PLoS ONE, 2015 Host plant interactions are likely key drivers of evolutionary processes involved in the diversification of phytophagous insects. Granivory has received substantial attention for its crucial role in shaping the interaction between plants and their seed ...
Thomas Boivin +7 more
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Seedling emergence and establishment of Pinus sylvestris in the Mongolian forest-steppe ecotone [PDF]
, 2011 Syftet med studien är att undersöka och beskriva pedagogers uppfattningar av hur de skapar delaktighet och inflytande, i en kommuns förskoleverksamhet och organisation.Mina frågeställningar är hur pedagogerna beskriver sina möjligheter och hinder för att
R Alia +50 more
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Spatial-scale dependencies in the predation of seeds by rodents [PDF]
, 1995 Summary 1. Previous studies have shown rates of seed predation in deciduous woodland to be high (on average 60%) and extremely variable in space and time. 2.
Borelli, Teresa
core
Biological Reviews, EarlyView.ABSTRACT Oropharyngeal food processing exhibits a remarkable diversity among vertebrates, reflecting the evolution of specialised ‘processing centres’ associated with the mandibular, hyoid, and branchial arches. Although studies have detailed various food‐processing strategies and mechanisms across vertebrates, a coherent and comprehensive terminology ...
Daniel Schwarz +6 more
wiley +1 more source
Early evolutionary history of the seed
Biological Reviews, EarlyView.ABSTRACT The seed is an essential stage in the life history of gymnospermous and angiospermous plants, facilitating both their survival and dispersal. We reappraise knowledge of the evolutionary history of the gymnospermous seed, from its origin in the late Devonian through to the well‐known end‐Permian extinctions – an interval encompassing the ...
Richard M. Bateman +2 more
wiley +1 more source