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Evidence of disarray amongst granivorous birds assemblages in the savannas of northern Australia, region of sparse human settlement

Franklin, Donald C. (1999). Evidence of disarray amongst granivorous birds assemblages in the savannas of northern Australia, region of sparse human settlement. Biological Conservation,90(1):53-68.

Document type: Journal Article
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Title Evidence of disarray amongst granivorous birds assemblages in the savannas of northern Australia, region of sparse human settlement
Author Franklin, Donald C.
Journal Name Biological Conservation
Publication Date 1999
Volume Number 90
Issue Number 1
ISSN 0006 3207   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-0032891160
Start Page 53
End Page 68
Total Pages 16
Place of Publication Barking Essex
Publisher Elsevier Science
HERDC Category C1 - Journal Article (DEST)
Abstract Quantitative evidence of change over the last 150 years amongst granivorous bird assemblages in the tropical and sub-tropical savannas of northern Australia are provided. Twelve of 49 indigenous and mostly resident species have declined, and three have increased. One species is probably extinct, and two taxa are critically endangered. Four introduced species have become established. The northern Australian savannas are for the most part very sparsely settled and subject only to low intensity pastoralism, and the disarray amongst granivorous bird assemblages is perplexing. Even in areas subject to extensive vegetation clearance, decline is shown to coincide with the pastoral era prior to clearing. Grazing and/or changed fire regimes may be responsible. Determining the cause of change and the implementation of management responses is a key issue for the future management of these savannas.
DOI http://dx.doi.org/10.1016/S0006-3207(99)00010-5   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
 
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