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Tests of the effectiveness of rhizobia isolated from several common Acacia species showed significant variation among host populations in plant growth...
Read moreConsiderable effort is expended by national and local governments to exclude alien species via detection and eradication of invading populations, but ...
Read moreInfluence of moisture stress on tree growth, foliage development and incidence of insect herbivory in a native forest of river red gum (Eucalyptus cam...
Read moreStreams collect runoff, heat, and sediment from their watersheds, making them highly vulnerable to anthropogenic disturbances such as urbanization and...
Read moreThe persistence of populations of the economically important bunchgrass Themeda triandra in rangeland depends on seedling recruitment. A 25-factorial ...
Read moreEpiphytes are an important component in many forest ecosystems. The proportion of threatened epiphyte species is high, and the impact of clearcuts on ...
Read moreAbandoned agricultural (AA) fields are often invaded by exotic plants. This observation has been difficult to explain because agricultural practices c...
Read moreComposition, growth and turnover of trees were examined in 2 species-rich tropical gallery forests in the Mountain Pine Ridge Savanna of Belize during...
Read moreDespite the major role that insect pollinators play in crop production, agricultural intensification drives them into decline. Various conservation me...
Read moreThe following is based largely on the author's summary of this account of a study of the fauna of stones in the Vaal River in the north-east of Cape P...
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