Conservation and reservation of non-vascular plants in Tasmania, with special reference to lichens

Brown, MJ; Jarman, SJ; Kantvilas, G

doi:10.1007/bf00055942

Cited by 23 publications

(10 citation statements)

References 23 publications

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“…Our results support the suggestion that the best strategy for cryptogam conservation is to ensure that all vascular plant species, vascular plant communities, and their successional states are well reserved (Brown et al 1994; Buchanan & May 2003; Newmaster et al 2005). Although a strong congruence with vegetation and environmental variables is reassuring for cryptogam conservation through reservation, efforts to conserve cryptogams should not rest solely on prediction by surrogates.…”

Section: Discussionsupporting

confidence: 85%

Surrogates for Macrofungi and Mosses in Reservation Planning

McMullan-Fisher

Kirkpatrick

May

et al. 2010

Conservation Biology

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Our knowledge of cryptogam taxonomy and species distributions is currently too poor to directly plan for their conservation. We used inventory data from four distinct vegetation types, near Hobart Tasmania, to address the proposition that vegetation type, vascular plant taxon composition, and environmental variables can act as surrogates for mosses and macrofungi in reservation planning. The four vegetation types proved distinct in their taxon composition for all macrofungi, mosses, and vascular plants. We tested the strength of the relationships between the composition of cryptogam taxonomic groups and vascular plant composition and between the environmental variables and canopy cover. Taxon composition of woody vascular plants and vascular plants was the best predictor of the taxon composition of mosses and macrofungi. Combinations of environmental variables and canopy cover were also strong predictors of the taxon composition of mosses and macrofungi. We used an optimization routine for vascular plant taxa and woody plant species and determined the representation of cryptogam taxa in these selections. We identified sites with approximately 10% and 30% of the greatest proportions of vascular plants and woody vascular plants and calculated representation of mosses and macrofungi at these sites. We compared the results of these site selections with random site selections and random selections stratified by vegetation type. Random selection of sites by vegetation type generally captured more cryptogams than site selection by vascular plants at the 10% level. Vascular plant and woody plant taxon composition, vegetation type, and environmental and structural characteristics, all showed promise as surrogates for capturing common cryptogams in reserve systems.

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Section: Discussionsupporting

confidence: 85%

Surrogates for Macrofungi and Mosses in Reservation Planning

McMullan-Fisher

Kirkpatrick

May

et al. 2010

Conservation Biology

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“…Tasmanian vascular plant species and the forest communities they form are well documented (Reid et al 1999). Considerable progress has also been made in research on lichen and bryophyte species and communities (Kantvilas 1988(Kantvilas , 1990Brown et al 1994;Jarman et al 1994;Moscal & Kirkpatrick 1995;Kantvilas et al 1996;Jarman & Kantvilas 1997;Moscal et al 1997). In contrast, for Tasmanian macrofungi, there is a field guide to common species in rainforests (Fuhrer & Robinson 1992), but no comprehensive modern taxonomic treatments for any groups and few studies at the community level.…”

Section: Introductionmentioning

confidence: 99%

Macrofungal diversity and community ecology in mature and regrowth wet eucalypt forest in Tasmania: A multivariate study

et al. 2002

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The biodiversity of macrofungi in mature and young regrowth Tasmanian wet forests is described at the species level and at the community level. The macrofungal communities studied were much more species-rich than their vascular plant counterparts, with the total number of macrofungal taxa outnumbering vascular plants by four to one. This ratio applied in both mature and young regrowth forest sites. Some 242 taxa of macrofungi were recorded, of which 132 were identified to species level, the remainder to species groups or higher taxa. Distinct communities could be discerned from multivariate analysis (ordination and classification) of vascular plant and macrofungal data from the mature and regrowth sites. The two vascular plant communities had different fire histories, and this difference is also assumed to account for the separation of the macrofungal communities of the two forest types. There was generally a high level of congruence between the vascular plant and the macrofungal communities. However, one young regrowth site, which was relatively close to the mature sites in the ordination space for the analysis of vascular plants, was distant from the mature forest sites for the analysis of macrofungi. Another regrowth site, which had experienced wildfire rather than silvicultural regeneration, clustered with mature sites for some analyses of the macrofungal assemblage. Variation in the macrofungal communities was correlated with a different set of the measured environmental variables than was variation in the vascular plant communities. Mature and young regrowth forests were found to have distinctly different macrofungal floras, with approximately 40% of the taxa in each forest type being restricted to that type of site. Suitable indicator taxa (restricted or preferential to particular forest types) for use in further studies are suggested.

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“…Bryophytes and lichens are important components of biodiversity. Their species richness may be equal to or greater than that of vascular plants at given sites (Slack 1977;Brown et al 1994;. However, studies of their diversity remain scarce and mostly focused on moist habitats, particularly in the northern hemisphere, and few address lichen diversity or dry habitats (Slack 1977;Lee & La Roi 1979;Soderstrom 1981;Stark & Castetter 1987;Gradstein etal.…”

Section: Introductionmentioning

confidence: 99%

Bryophyte and lichen diversity: A comparative study

Pharo

Beattie

1997

Australian Journal of Ecology

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We describe the regional species richness, variation in species richness and species turnover of bryophytes and hchens from 36 sites in lowland forests of southeastern Australia. The analyses subdivided tiie two major taxa into their constituent sub-groups: mosses, liverworts, and crustose, fruticose and foliose lichens. They also explored correlations between selected environmental variables and patterns of diversity. On a regional scale, there were 77 species of bryophytes and 69 species of lichens, giving a total of approximately one-third of the total number of vascular plant species in tiie region. Mean species richness was higher for lichens than bryophytes. Also, the two taxa were negatively correlated because lichens favoured dry sites and bryophytes favoured moist ones. Species turnover was greater for bryophytes than lichens, largely due to the distribution of liverwort species. Foliose lichens showed higher levels of turnover than crustose lichens. Multiple regression and canonical correspondence analysis showed that both taxa and all sub-groups responded to the same three variables: vascular plant cover, time since last fire and topographic position. Other variables, including time since logging and intensity of logging, explained little variation in bryophyte or lichen diversity. The data suggest that the strategies for the conservation of bryophyte and lichen biodiversity will be different, to reflect the different patterns of species richness and species turnover.

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Conservation and reservation of non-vascular plants in Tasmania, with special reference to lichens

Cited by 23 publications

References 23 publications

Surrogates for Macrofungi and Mosses in Reservation Planning

Surrogates for Macrofungi and Mosses in Reservation Planning

Macrofungal diversity and community ecology in mature and regrowth wet eucalypt forest in Tasmania: A multivariate study

Bryophyte and lichen diversity: A comparative study

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