Global effects of land use intensity on the impoverishment of insect herbivore assemblages

Verfasser / Beitragende:
[Walter de Araújo, Teja Tscharntke, Mário Almeida-Neto]
Ort, Verlag, Jahr:
2015
Enthalten in:
Biodiversity and Conservation, 24/2(2015-02-01), 271-285
Format:
Artikel (online)
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024 7 0 |a 10.1007/s10531-014-0807-2  |2 doi 
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245 0 0 |a Global effects of land use intensity on the impoverishment of insect herbivore assemblages  |h [Elektronische Daten]  |c [Walter de Araújo, Teja Tscharntke, Mário Almeida-Neto] 
520 3 |a The modification of pristine wildlife habitats by land use is a worldwide cause of species extinction, as most native species cannot persist at high levels of human land use intensity. In this study, we gathered 90 lists of local interactions between herbivorous insects and their host plants to investigate the effects of land use intensity on the species richness and taxonomic diversity of insect herbivore assemblages. The effect of land use intensity on these insect herbivore assemblages was assessed using path analysis that controlled for differences in host plant richness, sampling effort, and the taxonomic range of plants and herbivores. We included the proportion of exotic host plant species in the path models to evaluate the extent to which the effect of land use intensity is mediated by the replacement of native with exotic host plants. Overall, we found negative effects of land use intensity on the species richness and taxonomic diversity of the insect herbivore assemblages, and these effects were mediated by an increase in the proportion of exotic host plant species. Since the effect of host plant richness was controlled for, our findings imply that the impoverishment of insect herbivore assemblages due to human land use is even greater than the loss of their host plant. A likely implication of such reduction in the species richness and taxonomic diversity of the insect herbivore assemblages is the accelerated loss of specialized plant-herbivore interactions, thus favoring interactions among generalist species and the biotic homogenization of species interactions across human-disturbed habitats. 
540 |a Springer Science+Business Media Dordrecht, 2014 
690 7 |a Alien plants  |2 nationallicence 
690 7 |a Exotic species richness  |2 nationallicence 
690 7 |a Habitat degradation  |2 nationallicence 
690 7 |a Taxonomic diversity  |2 nationallicence 
690 7 |a Phytophagous insects  |2 nationallicence 
690 7 |a Urbanization  |2 nationallicence 
700 1 |a de Araújo  |D Walter  |u Programa de pós-graduação em Ecologia e Evolução, ICB, Universidade Federal de Goiás (UFG), Campus II, Caixa Postal 131, CEP, 74001-970, Goiania, GO, Brazil  |4 aut 
700 1 |a Tscharntke  |D Teja  |u Agroecology, Department of Crop Sciences, Georg-August-University, Grisebachstr. 6, 37077, Gottingen, Germany  |4 aut 
700 1 |a Almeida-Neto  |D Mário  |u Laboratório de Interações Ecológicas e Biodiversidade - LIEB, Departamento de Ecologia, ICB, UFG, 74001-970, Goiania, GO, Brazil  |4 aut 
773 0 |t Biodiversity and Conservation  |d Springer Netherlands  |g 24/2(2015-02-01), 271-285  |x 0960-3115  |q 24:2<271  |1 2015  |2 24  |o 10531 
856 4 0 |u https://doi.org/10.1007/s10531-014-0807-2  |q text/html  |z Onlinezugriff via DOI 
898 |a BK010053  |b XK010053  |c XK010000 
900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s10531-014-0807-2  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a de Araújo  |D Walter  |u Programa de pós-graduação em Ecologia e Evolução, ICB, Universidade Federal de Goiás (UFG), Campus II, Caixa Postal 131, CEP, 74001-970, Goiania, GO, Brazil  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Tscharntke  |D Teja  |u Agroecology, Department of Crop Sciences, Georg-August-University, Grisebachstr. 6, 37077, Gottingen, Germany  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Almeida-Neto  |D Mário  |u Laboratório de Interações Ecológicas e Biodiversidade - LIEB, Departamento de Ecologia, ICB, UFG, 74001-970, Goiania, GO, Brazil  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Biodiversity and Conservation  |d Springer Netherlands  |g 24/2(2015-02-01), 271-285  |x 0960-3115  |q 24:2<271  |1 2015  |2 24  |o 10531