Výsledky vyhledávání - "J.C.M. den Nijs"

Dispersal limitation in epiphytic bromeliad communities in a Costa Rican fragmented montane landscape

Autor: H.M.H. de Leeuw, J.C.M. den Nijs, Jan H. D. Wolf, N. von Meijenfeldt, Alfredo Cascante-Marín, J.G.B. Oostermeijer

Publikováno v: Journal of Tropical Ecology, 25(1), 63-73. Cambridge University Press
Journal of Tropical Ecology 25(1):63-73
Kérwá
Universidad de Costa Rica
instacron:UCR

Transformation of tropical forests is likely to affect seed-dispersal patterns and influence the composition of epiphytic plant communities in human-altered habitats. We tested this hypothesis by carrying out a comparative study of seed influx, survi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c1c8515790aee03aff20f10a219569e6
https://hdl.handle.net/11245/1.308177

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Invasive behaviour of Lactuca serriola (Asteraceae) in the Netherlands: Spatial distribution and ecological amplitude

Autor: J.C.M. den Nijs, Danny A. P. Hooftman, J.G.B. Oostermeijer

Publikováno v: Basic and Applied Ecology, 7(6), 507-519. Urban und Fischer Verlag Jena

Summary Species invasions have been a central theme in ecology over the past decades, with a focus on invasions of non-indigenous European species in the New World. However, within Europe, native species may also become invasive. Such species rapidly

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bde5cc778137498caa0f80cbed83ec7e
https://doi.org/10.1016/j.baae.2005.12.006

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Epiphytic bromeliad communities in secondary and mature forest in a tropical premontane area

Autor: J. Gerard B. Oostermeijer, Alejandro Durán-Apuy, Oscar Sanahuja, Jan H. D. Wolf, Alfredo Cascante-Marín, J.C.M. den Nijs

Publikováno v: Basic and Applied Ecology 7(6):520-532
Kérwá
Universidad de Costa Rica
instacron:UCR
Basic and Applied Ecology Vol.7 520—532 2006
Repositorio UNA
Universidad Nacional de Costa Rica
instacron:UNA
Basic and Applied Ecology, 7(6), 520-532. Urban und Fischer Verlag Jena

We analyzed the differences in species richness, community composition, population structure and within-tree location of epiphytic bromeliads in contiguous secondary and mature forests in a premontane area in Costa Rica. Diversity in the mature fores

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d5bcea02340a04f48ea9e26d3ebf2a35
https://doi.org/10.1016/j.baae.2005.10.005

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Reproductive biology of the epiphytic bromeliad Werauhia gladioliflora in a premontane tropical forest

Autor: Jan H. D. Wolf, J.C.M. den Nijs, J.G.B. Oostermeijer, Alfredo Cascante-Marín

Publikováno v: Plant Biology 7(2):203-209
Kérwá
Universidad de Costa Rica
instacron:UCR
Plant Biology, 7, 203-209. Wiley-Blackwell

The floral phenology, fruit and seed production, and self-compatibility of Werauhia gladioliflora, an epiphytic bromeliad with a wide distribution, were studied in a premontane forest in the Monteverde area in Costa Rica. The species presents the pol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a87db95152ce1e25f3edeafe856a1952
https://hdl.handle.net/11245/1.240657

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Integrating demographic and genetic approaches in plant conservation

Autor: J.G.B. Oostermeijer, S.H. Luijten, J.C.M. den Nijs

Publikováno v: Biological Conservation, 113(3), 389-398. Elsevier

We summarize the problems that populations of formerly common plants may encounter when habitat fragmentation isolates them and reduces population size. Genetic erosion, inbreeding depression, Allee-effects on reproductive success, catastrophes and e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4a9887b7cb6767e4c54cf26ad31b397
https://doi.org/10.1016/s0006-3207(03)00127-7

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Spatial ecological and genetic structure of a mixed population of sexual diploid and apomictic triploid dandelions

Autor: E.C. Vlot, J.C.M. den Nijs, Steph B. J. Menken, Patrick G. Meirmans

Publikováno v: Journal of Evolutionary Biology. 16:343-352

Ecological differentiation is widely seen as an important factor enabling the stable coexistence of closely related plants of different ploidy levels. We studied ecological and genetic differentiation between co-occurring sexual diploid and apomictic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5fb530512299f44b6aff9fb6912809db
https://doi.org/10.1046/j.1420-9101.2003.00515.x

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Future prospects for the rare, late-flowering Gentianella germanica and Gentianopsis ciliata in Dutch nutrient-poor calcareous grasslands

Autor: J.G.B. Oostermeijer, Albertine C. Ellis-Adam, J.C.M. den Nijs, S.H. Luijten

Publikováno v: Biological Conservation, 104(3), 339-350. Elsevier

We discuss the population biology of two calcareous grassland gentians, Gentianella germanica and Gentianopsis ciliata, in relation to the habitat management currently practiced in The Netherlands. There, at the margin of their range, both species ar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cbc2c271666af4d84daabd3f9f907f37
https://doi.org/10.1016/s0006-3207(01)00199-9

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