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Changes in Mammalian Body Length over 175 Years—Adaptations to a Fragmented Landscape? Ecology and Society
Schmidt, Niels Martin; Royal Veterinary and Agricultural University; nms@kvl.dk; Jensen, Per Moestrup; Royal Veterinary and Agricultural University; pmj@kvl.dk.
The potential consequences of anthropogenic habitat fragmentation on species diversity and extinction have drawn considerable attention in recent decades. In many cases, traditional island biogeography theory has been applied to explain the observed patterns. Here, we propose that habitat fragmentation as a selective force can be traced in mammalian body length changes. By exploring historical sources, we are able to show that the body length of Danish mammals has altered over a period of 175 years, possibly in response to increasing habitat fragmentation. The rate of body length change was generally lowest in medium-sized mammals, and increased with both smaller and larger body mass. Small mammals have generally increased, whereas large mammals have...
Tipo: Peer-Reviewed Reports Palavras-chave: Body length; Habitat fragmentation; Island biogeography; Island rule; Mammalia; Reproductive capacity; Size-specific mortality; Traffic.
Ano: 2003
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Compactação ocasionada por tráfego de trator em um Latossolo Vermelho sob sistema de plantio direto e escarificado. Repositório Alice
SORIANI, R.; DEBIASI, H.; FRANCHINI, J. C.; FREGONEZI, G. A. F..
Tipo: Parte de livro Palavras-chave: Compactação do Solo; Trator; Latossolo Vermelho; Plantio Direto; Escarificador; Soil compaction; Traffic; Tractors; Direct seeding.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1096227
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Gram-negative osteomyelitis: clinical and microbiological profile BJID
Carvalho,Vladimir Cordeiro de; Oliveira,Priscila Rosalba Domingos de; Dal-Paz,Karine; Paula,Adriana Pereira de; Félix,Cássia da Silva; Lima,Ana Lúcia Lei Munhoz.
INTRODUCTION: Despite the growing interest in the study of Gram-negative bacilli (GNB) infections, very little information on osteomyelitis caused by GNB is available in the medical literature. OBJECTIVES AND METHODS: To assess clinical and microbiological features of 101 cases of osteomyelitis caused by GNB alone, between January 2007 and January 2009, in a reference center for the treatment of high complexity traumas in the city of São Paulo. RESULTS: Most patients were men (63%), with median age of 42 years, affected by chronic osteomyelitis (43%) or acute osteomyelitis associated to open fractures (32%), the majority on the lower limbs (71%). The patients were treated with antibiotics as inpatients for 40 days (median) and for 99 days (median) in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Osteomyelitis Fractures; Open Gram-negative bacterial infections Accidents; Traffic.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702012000100011
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MORPHOLOGY AND CONSERVATION OF THE MESOAMERICAN SLIDER (Trachemys venusta, EMYDIDAE) FROM THE ATRATO RIVER BASIN, COLOMBIA Acta biol.Colomb.
CEBALLOS,CLAUDIA P.; BRAND,WILLIAM A..
The phylogenetic relationships of the Mesoamerican Slider, Trachemys venusta, that inhabits the Atrato River basin of Colombia have been controversial as three different names have been proposed during the last 12 years: T. v. venusta, T. v. uhrigi, and T. ornate venusta. Using a group of sliders that was confiscated by the regional authority we compared the morphology of T. venusta distributed in the Atrato River with the morphology of the subspecies putatively distributed in Colombia. We found that the Colombian Mesoamerican slider has an overall smaller size, different plastral inter-scute seam formula, and different head, carapace and plastron coloration patterns. In addition, we also report the poor health condition of these individuals that have...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Conservation; Dermatitis; Health; Taxonomy; Traffic.
Ano: 2014 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-548X2014000300014
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Pine Harvest Impact on Soil Structure of a Dystric Cambisol (Humic) Rev. Bras. Ciênc. Solo
Costa,Adriano da; Albuquerque,Jackson Adriano; Costa,André da; Warmling,Maria Tereza; Magro,Bruno Afonso.
ABSTRACT Traffic of heavy machinery at harvest and log extraction causes structural degradation of the soil, but studies on the effects of forest harvesting on soils with high organic matter content and exchangeable Al are scarce. The objective of this study was to evaluate the effect of mechanized forest harvesting operations on a Dystric Cambisol (Humic) with high organic matter (more 50 g kg1) content and exchangeable Al (more 6,0 cmolc kg-1), reforested with Pinus taeda L. The evaluated harvesting system were the whole-tree, in which the feller-buncher cuts and lays the trees down in bundles; the skidder drags the tree bundles up near a road; and the harvester delimbs and cuts the trees into short logs, stacking them on the roadside to be loaded onto...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Soil compaction; Mechanized harvesting; Traffic; Soil physical properties.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832016000100410
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Time Series of Landscape Fragmentation Caused by Transportation Infrastructure and Urban Development: a Case Study from Baden-Württemberg, Germany Ecology and Society
Jaeger, Jochen A. G.; Concordia University; jjaeger@alcor.concordia.ca; Schwarz-von Raumer, Hans-Georg; University of Stuttgart; svr@ilpoe.uni-stuttgart.de; Esswein, Heide; University of Stuttgart; he@ilpoe.uni-stuttgart.de.
Tipo: Peer-Reviewed Reports Palavras-chave: Effective mesh size; Environmental indicators; Landscape change; Landscape fragmentation; Landscape indices; Monitoring; Railroads; Roads; Sustainable development; Time series; Traffic; Urban sprawl.
Ano: 2007
Registros recuperados: 6
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