Island provides a pathogen refuge within climatically suitable area

Verfasser / Beitragende:
[Michelle Stockwell, Deborah Bower, Loren Bainbridge, John Clulow, Michael Mahony]
Ort, Verlag, Jahr:
2015
Enthalten in:
Biodiversity and Conservation, 24/10(2015-09-01), 2583-2592
Format:
Artikel (online)
ID: 605527229
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024 7 0 |a 10.1007/s10531-015-0946-0  |2 doi 
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245 0 0 |a Island provides a pathogen refuge within climatically suitable area  |h [Elektronische Daten]  |c [Michelle Stockwell, Deborah Bower, Loren Bainbridge, John Clulow, Michael Mahony] 
520 3 |a Surveillance of pathogens can lead to significant advances towards making effective decisions in research and management for species threatened by disease. Batrachochytrium dendrobatidis has been a major contributing factor to the global decline of amphibians. Knowledge of the distribution of B. dendrobatidis can contribute to understanding patterns of species decline and prioritizing action. Therefore, we surveyed four spatially distinct populations of a B. dendrobatidis susceptible species, the green and golden bell frog (Litoria aurea), for evidence of infection in the population. Three mainland populations were infected at a prevalence of 3.5-28.3%, with median infection loads of 0.28-627.18 genomic equivalents (GE). Conversely, we did not detect infection in an island population 3km from the mainland; the isolation and infrequent visitation of the island suggests that the pathogen has not arrived. Management actions for B. dendrobatidis and conservation of susceptible frog species are heavily dependent on the presence and absence of the pathogen in the population. Prevention of the accidental introduction of B. dendrobatidis and safe guarding genetic diversity of L. aurea is necessary to preserve unique diversity of the island population, whereas containment and control of the pathogen can be directed towards mainland populations. Knowledge of disease dynamics also provides a context to understand the ecology of remaining populations as variation in the physiology or habitat of the mainland populations have facilitated persistence of these populations alongside B. dendrobatidis. Other islands should be a priority target in disease surveillance, to discover refuges that can assist conservation. 
540 |a Springer Science+Business Media Dordrecht, 2015 
690 7 |a Litoria aurea  |2 nationallicence 
690 7 |a Batrachochytrium dendrobatidis  |2 nationallicence 
690 7 |a Conservation  |2 nationallicence 
690 7 |a Infectious  |2 nationallicence 
690 7 |a Chytridiomycosis  |2 nationallicence 
690 7 |a Amphibian  |2 nationallicence 
700 1 |a Stockwell  |D Michelle  |u Conservation Biology Research Group, School of Environmental and Life Sciences, The University of Newcastle, Callaghan Drive, 2308, Callaghan, NSW, Australia  |4 aut 
700 1 |a Bower  |D Deborah  |u Conservation Biology Research Group, School of Environmental and Life Sciences, The University of Newcastle, Callaghan Drive, 2308, Callaghan, NSW, Australia  |4 aut 
700 1 |a Bainbridge  |D Loren  |u Conservation Biology Research Group, School of Environmental and Life Sciences, The University of Newcastle, Callaghan Drive, 2308, Callaghan, NSW, Australia  |4 aut 
700 1 |a Clulow  |D John  |u Conservation Biology Research Group, School of Environmental and Life Sciences, The University of Newcastle, Callaghan Drive, 2308, Callaghan, NSW, Australia  |4 aut 
700 1 |a Mahony  |D Michael  |u Conservation Biology Research Group, School of Environmental and Life Sciences, The University of Newcastle, Callaghan Drive, 2308, Callaghan, NSW, Australia  |4 aut 
773 0 |t Biodiversity and Conservation  |d Springer Netherlands  |g 24/10(2015-09-01), 2583-2592  |x 0960-3115  |q 24:10<2583  |1 2015  |2 24  |o 10531 
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950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s10531-015-0946-0  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Stockwell  |D Michelle  |u Conservation Biology Research Group, School of Environmental and Life Sciences, The University of Newcastle, Callaghan Drive, 2308, Callaghan, NSW, Australia  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Bower  |D Deborah  |u Conservation Biology Research Group, School of Environmental and Life Sciences, The University of Newcastle, Callaghan Drive, 2308, Callaghan, NSW, Australia  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Bainbridge  |D Loren  |u Conservation Biology Research Group, School of Environmental and Life Sciences, The University of Newcastle, Callaghan Drive, 2308, Callaghan, NSW, Australia  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Clulow  |D John  |u Conservation Biology Research Group, School of Environmental and Life Sciences, The University of Newcastle, Callaghan Drive, 2308, Callaghan, NSW, Australia  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Mahony  |D Michael  |u Conservation Biology Research Group, School of Environmental and Life Sciences, The University of Newcastle, Callaghan Drive, 2308, Callaghan, NSW, Australia  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Biodiversity and Conservation  |d Springer Netherlands  |g 24/10(2015-09-01), 2583-2592  |x 0960-3115  |q 24:10<2583  |1 2015  |2 24  |o 10531