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This study is part of the Follow up Restoration Program of animal communities that colonize the Guadiamar River Basin. In 1998, the area was affected by a release of toxic sludge after the retention walls of the Aznalcóllar Mines (southern Iberian Peninsula) broke. The main objective of this study was to assess the current state of the population of Tenebrionidae, one of the most representative groups of edaphic Coleoptera inhabiting the Guadiamar River Basin. This paper analyses the progress made by the darkling beetle community six years after the disaster occurred and the Restoration Program was implemented. The study is based on faunistic data from systematic sampling carried out for six years to monitor plots distributed across the damaged area. To make an overall assessment of the tenebrionid fauna in relation to adjacent areas qualitative and quantitative ecological indices were applied, and temporal follow up and biogeographical comparisons were also made. The results indicate that, on the whole, tenebrionid fauna was somewhat affected by the Aznalcóllar Mine spill, and that a greater loss of fauna was detected closer to the accident site. The analysis of the temporal population dynamic suggests that the most affected zones are undergoing a process of re-colonization. However, this process varies widely by species and has not yet reached the expected levels of a non-affected river basin in the southern Iberian Peninsula.
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Watumiaji waliosajiliwa hupokea faida mbalimbali ikiwa ni pamoja na uwezo wa kubadili tahadhari za barua pepe, kuunda orodha ya majarida ya kupendwa, na kuhifadhi utafutaji. Tafadhali kumbuka kwamba akaunti ya mtandao ya BioOne haitoi moja kwa moja upatikanaji wa maudhui ya maandishi kamili. Mkataba wa mwanachama wa taasisi au jamii inahitajika kutazama maudhui yasiyo ya Upatikanaji wa Wazi. Wasiliana na @example@gmail.com kwa maswali yoyote. Utafiti huu ni sehemu ya Programu ya Kufuatilia Kurudishwa kwa Jumuiya za Wanyama ambazo zinakaa katika Bonde la Mto Guadiamar. Mwaka 1998, eneo hilo lilitoweka kutokana na kutolewa kwa matope yenye sumu baada ya kuta za kuhifadhi za migodi ya Aznalcollar (kusini mwa Peninsula ya Iberia) kuvunjika. Lengo kuu la utafiti huu lilikuwa kutathmini hali ya sasa ya idadi ya Tenebrionidae, moja ya makundi ya uwakilishi zaidi ya edaphic Coleoptera wanaoishi katika Bonde la Mto Guadiamar. Makala hii inachambua maendeleo yaliyofanywa na jamii ya mdudu wa giza miaka sita baada ya msiba kutokea na Programu ya Kurudisha ilitekelezwa. Utafiti huo unategemea data za faunistic kutoka kwa sampuli za utaratibu zilizofanywa kwa miaka sita ili kufuatilia viwanja vilivyosambazwa katika eneo lililoharibiwa. Kwa kufanya tathmini ya jumla ya tenebrionid fauna kuhusiana na maeneo ya jirani qualitative na kiasi viashiria ikolojia zilitumiwa, na kufuatilia muda na biogeographical kulinganisha pia kufanywa. Matokeo yanaonyesha kwamba, kwa ujumla, tenebrionid fauna ilikuwa kiasi fulani kuathiriwa na Aznalcóllar Mine kuvuja, na kwamba hasara kubwa ya fauna iligunduliwa karibu na eneo la ajali. Uchambuzi wa nguvu za muda wa idadi ya watu unaonyesha kwamba maeneo yaliyoathiriwa zaidi yanapitia mchakato wa ukoloni upya. Hata hivyo, mchakato huu hutofautiana sana kulingana na spishi na bado haujapata viwango vinavyotarajiwa vya bonde la mto lisiloathiriwa kusini mwa Peninsula ya Iberia. Makala hii inapatikana tu kwa wanachama. Haipatikani kwa ajili ya kuuza mtu binafsi. Upatikanaji wa maudhui yaliyoombwa umepunguzwa kwa taasisi ambazo zimenunua au kujisajili kwa Mkusanyiko huu wa Vitabu vya BioOne. Unapokea taarifa hii kwa sababu shirika lako linaweza kuwa na upatikanaji huu eBook. * Shibboleth na Open Athens watumiaji-tafadhali kupata michango ya taasisi yako. Maelezo ya ziada kuhusu michango ya taasisi yanaweza kupatikana hapa