Succession of mycorrhizae: a matter of tree age or stand age?
نویسندگان
چکیده
منابع مشابه
Earthworms, stand age, and species composition interact to influence particulate organic matter chemistry during forest succession
The landscapes colonized by invasive earthworms in the eastern U.S. are often patchworks of forest stands in various stages of successional development. We established six field sites in tulip poplar dominated forests in the Smithsonian Environmental Research Center in Edgewater, MD, that span mid (50–70 years-three plots) and late (120– 150 years-three plots) successional stages where younger ...
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Simple metapopulation models with random disturbances are used in species conservation or management, relying on the condition for persistence that the per-patch colonization rate be greater than the per-patch extinction rate. For a general model incorporating the role of succession or patch age-dependent extinction, I show that persistence requires the per-patch colonization rate to be greater...
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Background: Female genital mutilation (FGM) practice is mostly carried out by traditional circumcisers, who often play other central roles in communities, such as attending childbirths. Increasingly, FGM is also performed by health care providers. However, FGM is recognized internationally as a violation of the human rights of girls and women. The study investigates a broad cross-cultural study...
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Research on the roots and causes of dangerous phenomenon of exaggeration, ghuluv, mainly appeared as overstating Shiite Imams, is of considerable important. Needless to say, exact acquaintance to the roots and causes of exaggeration, in many cases, would support people against this danger. Relying on precedent historical, traditional, sectarian documents and noting to different views in the fie...
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a large number of single research studies on the effects of strategy-based instruction (sbi) in teaching english as a foreign or second language has been conducted so far. however, the lack of a comprehensive meta-analysis targeting the effectiveness of english language sbi is observed. moreover, the findings of experimental studies regarding the context of the english language, proficiency lev...
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ژورنال
عنوان ژورنال: Annales des Sciences Forestières
سال: 1989
ISSN: 0003-4312
DOI: 10.1051/forest:198905art0169