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مرجع جامع گیاهان زراعی - seed extinction

مرجع جامع گیاهان زراعی

[PDF] from pitt.eduS Kalisz… - Oecologia, 1993 - Springer
The goal of this paper is to test theoretical predictions about the effects of seed banks on
population dynamics and extinction rates in variable environments using simulations based
on data from a natural population of the winter annual Collinsia verna. In the simulations, ...
Cited by 76 - Related articles - BL Direct - All 7 versions
ES Menges, EO Guerrant… - Ex situ plant conservation: …, 2004 - books.google.com
The ultimate purposes of ex situ plant conservation collections are to provide sufficient plant
material to establish new populations, reintroduce populations, or augment existing
populations. In removing material from natural populations, we also want to minimize their ...
Cited by 20 - Related articles - All 2 versions
LP Hunt - Plant Ecology, 2001 - Springer
Poor recruitment in Atriplex vesicaria Hewd exBenth (bladder saltbush) under sheep grazing
in the chenopodshrublands of southern Australia contributes to a decline in the
shrub'spopulation growth rate. This may lead to local extinction of the species overlarge ...
Cited by 16 - Related articles - BL Direct - All 10 versions
[HTML] from amjbot.orgS McLoughlin, RJ Carpenter… - American Journal of …, 2008 - Botanical Soc America
Abstract Seed ferns, dominant elements of the vegetation in many parts of the world from the
Triassic to Cretaceous, were considered to have disappeared at the end of the Cretaceous
together with several other groups that had occupied key positions in terrestrial and ...
Cited by 11 - Related articles - BL Direct - All 8 versions
[PDF] from us.esA Hampe - Bird Study, 2003 - Taylor & Francis
Aims To describe a present-day frugivore assemblage of natural Laurel populations in
southern Spain. Methods Eight fruiting trees of different size were monitored with binoculars
during 52 hours spread across one ripening season, and the identity and behaviour of ...
Cited by 9 - Related articles - BL Direct - All 8 versions
[PDF] from wmrs.eduD WIENS, CI DAVERN… - Plant biology of eastern California, 1988 - wmrs.edu
Abstract Seed set in Dedeckera eurekensis, a recently discovered monotypic genus with a
highly restricted geographical distribution, averaged only 3.1 percent for five samples
obtained from four populations in different years, spanning an eleven-year period. The ...
Cited by 4 - Related articles - All 4 versions
S Kumari - 2005 - idl-bnc.idrc.ca
Physical Document Request: To enquire about document delivery, contact the IDRC Library
at reference@ idrc. ca or at 613-236-6163 ext. 2578./Pour plus de renseignements sur la
livraison de documents, veuillez communiquer avec la bibliothèque du CRDI à reference ...
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Z Islam - International Rice Research Notes, 1993 - agris.fao.org
Abstract (English) On-station and on-farm research and observations in farmers' fields have
shown that both boro rice and DWR [deepwater rice] can be grown on the same land with
careful planning. A visit in April 1992 to a few DWR areas in the Jamuna floodplain in ...t
MJS Moreira, MAPC Costa, FVD Souza, LP Bastos… - Magistra, 2008 - agris.fao.org
Go to AGRIS search. Magistra (Oct-Dec 2008). In vitro seed germination
of bromeliad species threatened of extinction. ...
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