Dispersai of fleshy diaspores in the seed floras of the south island (New zealand) and tasmania

Clifford H.T. (1993) Dispersai of fleshy diaspores in the seed floras of the south island (New zealand) and tasmania. Australian Systematic Botany, 6 5: 449-455. doi:10.1071/SB9930449


Author Clifford H.T.
Title Dispersai of fleshy diaspores in the seed floras of the south island (New zealand) and tasmania
Journal name Australian Systematic Botany   Check publisher's open access policy
ISSN 1030-1887
Publication date 1993-01-01
Sub-type Article (original research)
DOI 10.1071/SB9930449
Volume 6
Issue 5
Start page 449
End page 455
Total pages 7
Subject 1110 Nursing
1105 Dentistry
Abstract The native seed-plant floras of South Island (New Zealand) and Tasmania are similar in size but the former is about twice as rich in species with fleshy diaspores than is the latter. In contrast, South Island has far fewer species with arillate or carunculate seeds than Tasmania. These differences in proportions may be attributed to the differential extinction of bird and ant species on the two islands during the Pleistocene Ice ages. Whereas South Island was relatively isolated at the time, Tasmania was closely connected to the Australian mainland providing refuges not available to South Island species. It is postulated that on both islands plants were less affected by glaciation than were animais. The types, sizes and colours of diaspores are similar in the floras of South Island and Tasmania, indicating that the lack of land mammals on the former island is not reflected in the dispersal biology of fleshy diaspores.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 23 Aug 2016, 11:16:17 EST by System User