An Isolated And Expanding Population Of The Introduced Toad Bufo Marinus In New South Wales

van Beurden, Eric K. and Grigg, Gordon C. (1980) An Isolated And Expanding Population Of The Introduced Toad Bufo Marinus In New South Wales. Australian Wildlife Research, 7 2: 305-310.

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Author van Beurden, Eric K.
Grigg, Gordon C.
Title An Isolated And Expanding Population Of The Introduced Toad Bufo Marinus In New South Wales
Journal name Australian Wildlife Research
Publication date 1980-01-01
Sub-type Article
Volume number 7
Issue number 2
ISSN 0310-7833
Start page 305
End page 310
Total pages 6
Language eng
Subject 300800 Environmental Sciences
270700 Ecology and Evolution
Abstract The distribution of Bufo marinus in north-eastern New South Wales (Australia) was surveyed in 1975 and 1978. Hitherto it had been assumed that the toads in New South Wales were derived from a southward migration from Queensland, but the populations proved to be disjunct, being separated by 25km of coastal seaboard. Estimated times of first sightings suggest the the toads have been dispersing at least 12y from an initial introduction near Byron Bay. The mean rate of spread from Byron Bay is 1.07 km y-1. The maximum rate, 3km y-1, is attained across flat or gently undulating rural areas. As there are no major climatological or geographic disjunctions at the present boundaries, the Queensland and New South Wales populations are likely to meet within 4-12 y, and further dispersal southwards appears certain.
Keyword cane toads
migration
bufo marinus
surveys
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown
Additional Notes Reproduced from van Beurden EK and GC Grigg 1980 "An Isolated And Expanding Population Of The Introduced Toad Bufo Marinus In New South Wales". Aust Wildl Res 7:305-10 with permission from CSIRO Publishing. http://www.publish.csiro.au/?nid=144 Copyright 1980 CSIRO Publishing.

Document type: Journal Article
Sub-type: Article
Collection: School of Biological Sciences Publications
 
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