Hymenoptera: Evolution, Biodiversity And Biological Control
نویسندگان
چکیده
منابع مشابه
Evolution and biological control
Opinions about the value of biological control are often extreme. Colloquially, biological control most often refers to classical biological control, in which one species is introduced from another region to control pests such as arthropod herbivores in agricultural systems, or weeds in managed and natural systems. As such, biological control has the potential to be a low-cost, chemical free, m...
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I. Taxonomy Strictly speaking, taxonomy is the science of sorting and classifying living organisms into groups called taxa (singular = taxon). Taxonomy also includes describing and naming the members of those taxa. A scientist who engages in taxonomy is a taxonomist. A taxon is a group of organisms that a taxonomist has judged to represent a cohesive unit. The criteria used to sort specimens in...
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Consideration of definitions of 'biological invasion' and 'biodiversity' shows why invasions have recently generated great interest among conservationists. Many studies show that invasion numbers have increased drastically over the last five centuries, that this exponential increase is not levelling off, and that human activities are the only reason for the phenomenon. Many mechanisms are portr...
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The role and contribution of biological control to hunger and poverty alleviation, and protection of biodiversity are discussed in context of the global development agenda. These linked themes are projected to continue occupying the global development agenda for the foreseeable future. Hunger and poverty alleviation efforts have frequently focused on improving agricultural production inter alia...
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Mammals have incredible biological diversity, showing extreme flexibility in eco-morphology, physiology, life history and behaviour across their evolutionary history. Undoubtedly, mammals play an important role in ecosystems by providing essential services such as regulating insect populations, seed dispersal and pollination and act as indicators of general ecosystem health. However, the macroe...
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ژورنال
عنوان ژورنال: Systematic Entomology
سال: 2001
ISSN: 0307-6970
DOI: 10.1046/j.1365-3113.2001.00151-2.x