David Deane

David Deane
La Trobe University · Ecology Environment and Evolution

MSc PhD

About

28
Publications
5,787
Reads
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308
Citations
Citations since 2017
24 Research Items
266 Citations
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Introduction
My research interests mostly revolve around assembly processes and biodiversity across networks of island-like habitat types, particularly aquatic ones (like wetlands and lakes), but also artificially fragmented patches. You can read more about my research interests on my website: https://ecologydomine.wordpress.com/
Additional affiliations
September 2016 - May 2017
University of Alberta
Position
  • PhD Student

Publications

Publications (28)
Article
Full-text available
Although groups of small habitat patches often support more species than large patches of equal total area, their biodiversity value remains controversial. An important line of evidence in this debate compares species accumulation curves, where patches are ordered from small–large and large–small (aka ‘SLOSS analysis’). However, this method counts...
Article
Full-text available
Plant and root fungal interactions are among the most important belowground ecological interactions, however, the mechanisms underlying pairwise interactions and network patterns of rhizosphere fungi and host plants remain unknown. We tested whether neutral process or spatial constraints individually or jointly best explained quantitative plant–ect...
Article
Full-text available
China has many threatened plant species, which are exposed to environmental degradation and other anthropogenic pressures. We assessed support for potential extinction pathways in Chinese angiosperm genera and quantified possible threats to phylogenetic diversity. We compiled a database and phylogeny for 27,409 Chinese angiosperm species in 2,453 g...
Article
Full-text available
The history of plant introductions in China is inextricably associated with globalization and trade. There have been two periods in which China has opened to the world, punctuated by periods of isolation. Here, we analyse data on first records for 538 non-native plants in China for the period 1840–2011, asking how annual rates have changed and comp...
Article
Full-text available
Biological invasions are a leading threat to biodiversity globally. Increasingly, ecosystems experience multiple introductions, which can have significant effects on patterns of diversity. The way these communities assemble will depend partly on whether rare and common alien species respond to environmental predictors in the same manner as rare and...
Article
Aim To derive null models for the expected number of species shared among multiple samples or habitat patches, allowing exploration of the geometric effects of subdivision on species diversity. Location Global. Major taxa studied Predominantly sessile organisms. Methods The occurrence probability of a species in a subdivided area depends on its...
Article
Full-text available
Aim Biological invasions threaten biodiversity globally. Large‐scale studies of non‐native plant species invasiveness typically focus on identifying ecological differences between naturalized and invasive species that account for their spread from sites of initial establishment (i.e., invasion success). However, invasive species differ widely in th...
Article
While there is a general understanding of broadscale patterns of the region of the Qinghai-Tibet Plateau (QTP)’s biodiversity, this is largely reliant upon knowledge of species richness. Less known is the correlation between species richness and other measures of biodiversity, and how this correlation varies among different types of taxa. Using cou...
Article
Full-text available
The island species area relationship (ISAR) is an important tool for measuring variation in species diversity in variety of insular systems, from true‐island archipelagoes to fragmented terrestrial landscapes. However, it suffers from several limitations. For example, due to the sample‐area effect, positive relationships between species and area ca...
Article
Full-text available
Understanding the multiple biotic and abiotic controls of aboveground biomass (AGB) is important for projecting the consequences of global change and to effectively manage carbon storage. Although large-scale studies have identified the major environmental and biological controls of AGB, drivers of local-scale variation are less well known. Additio...
Preprint
Full-text available
The history of plant introductions in China is inextricably associated with globalization and trade. There have been two periods where China has opened to the world, punctuated by periods of isolation. Here, we compare historical rates of introduction from 1840–2011 and ask how the rate of introduction of non-native plants has changed and how inten...
Article
Full-text available
Soil plant‐pathogenic (PF) and mycorrhizal fungi (MF) are both important in maintaining plant diversity for example via host‐specialized effects. However, empirical knowledge on the degree of host specificity and possible factors affecting the fungal assemblages is lacking. We identified PF and MF present in fine roots of 519 individuals across 45...
Article
Under many global-change scenarios, small habitat patches are the most vulnerable to destruction. For example, smaller ponds are at greater risk in a drying climate and their loss would remove any obligate aquatic individuals present. We asked what proportional loss of species diversity from metacommunities comprised of discrete habitat patches sho...
Presentation
Species loss from fragmentation occurs through two phases. Imminent (or immediate) extinctions are ‘cookie cutter’ losses, where all individuals in a population are physically removed during initial clearance. Biotic relaxation proceeds over time, as smaller, less viable populations are lost – this is the extinction debt incurred from habitat loss....
Article
Full-text available
In regions of the world where the climate is expected to become drier, meeting environmental water needs for wetlands and other dependent ecosystems will become increasingly challenging. Ecological models can play an important role, by quantifying system responses to reduced water availability and predicting likely ecological impacts. Anticipating...
Presentation
Here I present a possible ’worst-case’ outcome of climate change. The basic premise is that complete failure of one, or more, consecutive years led to a rapid loss of wetlands, with the smallest wetlands most likely to be affected. In our research we asked what the consequences of such a systematic loss of small to large wetlands would mean for the...
Article
Full-text available
Increasing forest vegetation is important for carbon dynamics and to maintain the ecological and environmental balance in China. However, there is little understanding of how socioeconomic factors affect forest biomass carbon storage (FBCS). Here, we used continuous functions for biomass expansion factors and China’s seven completed forest inventor...
Article
Full-text available
Groundwater-dependent ecosystems are particularly vulnerable to groundwater decline. The South East of South Australia has experienced considerable hydrological change due to drainage, clearance of native vegetation, irrigated agriculture, and forestry. Recent hardwood plantings in the Limestone Coast Prescribed Wells Area (PWA) have increased cons...
Article
Questions Within a meta‐community, what determines how local species composition differs from the regional community? How do local conditions and landscape context affect this differentiation in wetland vegetation? Location Fleurieu Peninsula, South Australia. Methods We sampled native vegetation across 26 hydrological gradients in a wetland meta...
Article
Human use of water resources threatens environmental water supplies. If resource managers are to develop policies that avoid unacceptable ecological impacts, some means to predict ecosystem response to changes in water availability is necessary. This is difficult to achieve at spatial-scales relevant for water resource management because of the hig...
Article
Quantifying the risk of extinction due to habitat loss is an increasingly urgent task for the design and implementation of effective conservation interventions. Methods based on species- and endemics-area relationships are well developed, but applications to date have concentrated primarily on the fragmentation of formerly continuous habitats such...
Article
Mosaics of evergreen and deciduous trees that are characteristic of evergreen broad-leaved forests (EBLF) are thought to arise from habitat heterogeneity, but empirical evidence for this is limited. We test this assertion asking: (1) whether environmental heterogeneity explains the distribution of deciduous and evergreen trees; (2) which are the mo...
Article
The functional significance of wood density in tree species is widely recognized but the relationship between trunk- and twigwood density, along with any shifts due to tree size and species stature, are as yet poorly understood. We analyzed paired trunk- and twigwood samples from 674 trees, representing 71 species in a subtropical evergreen forest...
Article
Full-text available
In cleared landscapes, wetlands can represent important reservoirs of native plant diversity, which include terrestrial species. Depending on study aims, non-wetland plants might be removed before analysis, affecting conclusions around biodiversity and community structure. We compared the native plant communities of seasonal wetlands in a predomina...
Article
The invasive marine green macroalga Codium fragile ssp. tomentosoides is now considered to be an introduced marine pest along the northwest Atlantic and southern Australian coasts. International or domestic translocation of C. fragile ssp. tomentosoides is usually attributed to the fouling of ship hulls or shellfish, particularly oysters. A likely...

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Projects

Projects (4)
Project
Investigations of vegetation dynamics in wetlands in the South East of South Australia
Archived project
To understand the distribution of plant species diversity across a large metacommunity of seasonal wetlands and to predict likely global change outcomes related to wetland loss.