Biological Interaction Networks in Plant-Herbivore-Carnivore Systems
نویسندگان
چکیده
منابع مشابه
Contrasting dynamics in the same plant-herbivore interaction.
Long-term studies of two-species interactions under field conditions are unusual; most long-term field studies are of single species dynamics (1-6). Concurrent long-term studies on the dynamics of the same two interacting species in different locations are very rare. This result has led to the tacit assumption that different cases of the same two-species interaction would involve essentially qu...
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In studies on dynamics of northern predator-prey systems, two assumptions are often made. First, the bifurcation from stable to cyclic dynamics is seen as a consequence of changing generalist-specialist ratio, ultimately due to reduced prey diversity at high latitudes and the negative impact of snow on the efficiency of generalists as predators of small, folivorous mammals. Supposedly, the prim...
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Extensive land-use change in the tropics has produced a mosaic of successional forests within an agricultural and cattle-pasture matrix. Post-disturbance biodiversity assessments have found that regeneration speed depends upon propagule availability and the intensity and duration of disturbance. However, reestablishment of species interactions is still poorly understood and this limits our unde...
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Many species of phytophagous arthropods are specialized: they exploit only one or a few host plant species. Since having a more general feeding habit has obvious advantages, much work has been devoted to explaining why specialists are in such an overwhelming majority. The most-addressed hypothesis states that herbivores face a fitness trade-off in exploiting different host plants. In this view ...
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Plants and their associated insect herbivores, represent more than 50% of all known species on earth. The first step in understanding the mechanisms generating and maintaining this important component of biodiversity is to identify plant-herbivore associations. In this study we determined insect-host plant associations for an entire guild of insect herbivores using plant DNA extracted from inse...
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ژورنال
عنوان ژورنال: Journal of Pesticide Science
سال: 2003
ISSN: 1348-589X,1349-0923
DOI: 10.1584/jpestics.28.354