Distribution spatiale et essai sur l'origine et la dipersion des espèces du genre Apicotermes (Termitinae). PDF Download
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Languages : fr
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Languages : fr
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Author: Michael Vaughan Brian
Publisher: Cambridge University Press
ISBN: 9780521215190
Category : Nature
Languages : en
Pages : 440
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This study concentrates on the production ecology of ants and termites. Ants and termites are highly socialised and their groupings in their most developed form enable them to function as large organisms comparable with the larger mammals in their influence in ecosystems.
Author: Royal Entomological Society of London. Symposium
Publisher:
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Category : Science
Languages : en
Pages : 578
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Environmental change has been seen as an increasingly focused area for ecological study, and one for which insect populations can act as a sensitive indicator. This latest volume in the RESL Symposium Series offers papers focusing on change in climate, pollution and atmosphere, and land use, and their impact on insect populations and distribution.
Author: J. Vanek
Publisher: Springer
ISBN: 9401019339
Category : Nature
Languages : en
Pages : 596
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Ladies a n d g e n t 1 e m e n , I have the pleasure to welcome you here in Prague in the name of the Czechoslovak Academy of Sciences and to open the Fifth Inter national Colloquium on Soil Zoology. We are very glad that Czecho slovakia was chosen for this important meeting. It is clear to all of us that the soil plays and will play a de cisive part in providing food for the explosive increase of human pop ulation. For this reason we watch with great anxiety the negative influence of human activities on the environment accompanied also by the other destructive intervention into the soil ecosystem, its devas tation by inefficient management, application of herbicides and pesti cides pollution by the waste products of industry and human settlements. The basis for solving these accumulating and now sometimes latent prob lems is among others a good knowledge of the role of soil organisms in the cycles of materials and in the energy flow. Soil zoology as a part of soil biology is still at the beginning of this trend The lack of in formation about life in soil is obvious when compared with the results of a related biological science dealing with the water ecosystem.
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Category : Union catalogs
Languages : en
Pages : 622
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Includes entries for maps and atlases.
Author: Smithsonian Institution
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Category : Science
Languages : en
Pages : 812
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Category : Ethnology
Languages : en
Pages : 458
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Category : Bibliographical literature
Languages : en
Pages : 496
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Author: Kumar Krishna
Publisher:
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Category : Nature
Languages : en
Pages : 670
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Category : Animals
Languages : en
Pages : 152
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