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Competitive Exclusion Principle Pdf Download ->>> http://bit.ly/2wo35Qd
131 (3409): 1292129721: 3649Vertical transfer is the most common occurrence, between parent and offspring, and is much-studied and well understoodPublisher conditions are provided by RoMEOOur study is the first to document the significant morphological differences between the invasive cane toad and a continent-wide frog radiation: despite significant environmental overlap, cane toads were distinct in body size and shape from most Australian frog species, suggesting that in addition to their previously documented phenotypic plasticity and wide environmental and trophic niche breadth, their unique shape also may have contributed to their success as an invasive species in Australia"The role of body size in host specificity: Reciprocal transfer experiments with feather lice"Our results support that the cane toad's distinct morphology may have played a unique role in the invasiveness of this species in Australia, which coupled with a broad environmental niche breadth, would have boosted their ability to expand their distribution across Australia89: 31863194Salmonid invasions have impacted their natural ecology through trophic niche interference and predation over alternative high quality preyWe used a combination of diet, stable isotope and mercury concentration data to test the hypotheses that in Lake Inari: (i) introduced species show partial niche overlap with the native community (Bhn et al., 2008; Eloranta et al., 2015); (ii) compared to analysis of the native community alone, inclusion of introduced species in the food web would increase total isotopic niche space and dietary linkages, with lake trout integrating littoral and pelagic energy flows via generalist foraging (Kidd et al., 2012; Eloranta et al., 2015 ), and specialised vendace increasing ecosystem-wide reliance on pelagic production (Bhn & Amundsen, 2001); and (iii) mercury bioaccumulation rates differ among species, and between introduced taxa and their native counterparts, being generally higher in pelagic than in littoral species, in line with patterns observed in the lower part of the same watercourse (Amundsen et al., 2011) 3c092786bf
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