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The influence of annual and seasonal (summer vs. winter) rainfall variability and of different seasons and systems of sheep grazing, including complet...
Read moreIn the context of global change, the effects of livestock grazing and nitrogen (N) deposition on ecosystem structure and function of grasslands are no...
Read moreTests of the effectiveness of rhizobia isolated from several common Acacia species showed significant variation among host populations in plant growth...
Read moreGreen leaf samples of Cenchrus ciliaris, Chloris roxburghiana, Chrysopogon plumulosus, Digitaria macroblephara, Eustachys paspaloides, Kyllinga alba, ...
Read moreOverall impacts of targeted conservation interventions on population growth rate (λ) will depend on within-year and among-year variation in exposure o...
Read moreRecent declines in honeybee populations have focused attention on the potential for unmanaged insects to replace them as pollinators of food crops. Th...
Read moreInsight into the capacity of natural enemies to control pests may lead to wiser pest management, including a reduction in the use of pesticides. The p...
Read morePreviously published literature on the population dynamics of a common arable weed, Chenopodium album, and its interactions with an arable crop, sugar...
Read moreStudies in fire-prone Mediterranean ecosystems have repeatedly shown that the mean values of fire regimes (particularly frequency, but also size and i...
Read moreThe following is based largely on the author's summary of this account of investigations in Kenya. The percentage of barley shoots attacked by larvae ...
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