An investigation of the invasion dynamics of Asparagus asparagoides (L.) Druce at the habitat level using spatial analytical techniques

Siderov, K, Ainsworth, N, Lowell, K and Bellman, C 2006, 'An investigation of the invasion dynamics of Asparagus asparagoides (L.) Druce at the habitat level using spatial analytical techniques', Plant Protection Quarterly, vol. 21, no. 2, pp. 85-88.


Document type: Journal Article
Collection: Journal Articles

Title An investigation of the invasion dynamics of Asparagus asparagoides (L.) Druce at the habitat level using spatial analytical techniques
Author(s) Siderov, K
Ainsworth, N
Lowell, K
Bellman, C
Year 2006
Journal name Plant Protection Quarterly
Volume number 21
Issue number 2
Start page 85
End page 88
Total pages 4
Publisher Plant protection quarterly
Abstract Questions relating to management and dynamics of the early stages of weed invasion into remnant vegetation were investigated using Asparagus asparagoides, a bird-dispersed weed. An extensive data set was collected from fieldwork undertaken at two sites where A. asparagoides is a recent invader. These data were used to: develop a predictive model for A. asparagoides presence, question the previously accepted rate of dispersal for A. asparagoides and suggest that in the early stages of the invasion process, A. asparagoides enters the reserves via the track network. The spatial nature of the invasion was investigated using a number of spatial statistics that revealed a non-random occurrence of A. asparagoides within the reserves. The results of the spatial analysis also showed that the spatial pattern of A. asparagoides within the reserves might be the result of dispersal occurring at two different scales. Finally a number of recommendations regarding the direction of future research are discussed.
Subject Plant Biology not elsewhere classified
ISSN 0815-2195
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