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16 results for “invertebrate biogeography”
Functional biogeography of coastal marine invertebrates along the south-eastern Pacific coast
<p><span>Characterizing the spatial structure of taxonomic and functional diversity (FD) of marine organisms across regional and latitudinal scales is essential for improving our understanding of the processes driving species richness and those that may constrain or enhance the set of species traits that define the functional structure of communities. Here, we present the functional diversity of coastal invertebrate macrofaunal species along the south-eastern Pacific, from 7°N to 56°S, we describe spatial variation of species traits, and examine the relationship with environmental variables. </span><span>We define the functional traits and the distribution range of 2350 marine macroinvertebrates to calculate eight metrics of FD. Random forest regression was applied to identify significant relationships between FD and six environmental variables. Finally, functional ß</span><span>-turnover was estimated to detect alongshore shifts in functional structure and their coincidence with biogeographical domains. </span><span>In contrast with taxonomic richness, measures of trait differences, functional space and functional specialisation increase with latitude, while functional evenness exhibits a humpback shape, peaking at mid-latitudes. Functional redundancy decreases significantly poleward, while indications of vulnerability increase. In contrast to taxonomic richness, FD was tightly connected to variables indicative of stress and productivity, such as dissolved oxygen and nutrients. Sea surface temperature and coastal area best explained the increased FD redundancy towards the tropics. The high spatial correlation between taxonomic and functional ß-turnover suggests environmental filters play an important role in the functional structure of the seascape. </span><span>Our findings suggest that processes favouring taxonomic richness are latitudinally divergent from those favouring functional diversity. Correlations with environmental variables suggest that increased sea surface temperature and measures of stability increase redundancy, while variation in dissolved oxygen and nutrients positively affect functional diversification. Moreover, the functional diversity patterns suggest low resilience of high-latitude coastal ecosystems, which are heavily exploited and threatened by climate change, hence highlighting the urgent need for effective conservation policies.</span></p>
Functional biogeography of coastal marine invertebrates along the south-eastern Pacific coast
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Supplementary material 2 from: Glanville K, Schulz C, Tomlinson M, Butler D (2016) Biodiversity and biogeography of groundwater invertebrates in Queensland, Australia. Subterranean Biology 17: 55-76. https://doi.org/10.3897/subtbiol.17.7542
Biogeography of undescribed families and/or genera of groundwater invertebrates in Queensland, Australia. : Explanation note: This dataset contains a supplementary table of undescribed families and/or genera of groundwater invertebrates by higher rank in each subregion of Queensland, Australia.
Supplementary material 1 from: Glanville K, Schulz C, Tomlinson M, Butler D (2016) Biodiversity and biogeography of groundwater invertebrates in Queensland, Australia. Subterranean Biology 17: 55-76. https://doi.org/10.3897/subtbiol.17.7542
Biogeography of described families and genera of groundwater invertebrates in Queensland, Australia. : Explanation note: This dataset contains a supplementary table of described families and genera of groundwater invertebrates by higher rank in each subregion of Queensland, Australia.
Data from: Extinction and recolonization of maritime Antarctica in the limpet Nacella concinna (Strebel, 1908) during the last glacial cycle: toward a model of Quaternary biogeography in shallow Antarctic invertebrates
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Data from: The biogeography of marine invertebrate life histories
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Figure 10 from: Glanville K, Schulz C, Tomlinson M, Butler D (2016) Biodiversity and biogeography of groundwater invertebrates in Queensland, Australia. Subterranean Biology 17: 55-76. https://doi.org/10.3897/subtbiol.17.7542
Figure 10 - Scatterplots showing the relationship between stygofauna taxon richness per sample and different physico-chemical variables; In Figure 10 the scatterplots presented are based on available data in the Queensland Subterranean Aquatic Fauna database where: depth to groundwater is available for 113 samples in meters below ground level (mbgl); electrical conductivity is available for 137 samples in microSiemens per centimetre (μS/cm); pH is available for 130 samples; and temperature is available for 77 samples in degrees Celsius (°C).
Figure 5 from: Glanville K, Schulz C, Tomlinson M, Butler D (2016) Biodiversity and biogeography of groundwater invertebrates in Queensland, Australia. Subterranean Biology 17: 55-76. https://doi.org/10.3897/subtbiol.17.7542
Figure 5 - Biogeography of described families in Queensland, Australia; In Figure 5 the total number of subregions a described family has been recorded inhabiting is indicated by numerical figures located to the right of the bars and the total number of samples is indicated by numerical figures located along the y-axis.
Figure 4 from: Glanville K, Schulz C, Tomlinson M, Butler D (2016) Biodiversity and biogeography of groundwater invertebrates in Queensland, Australia. Subterranean Biology 17: 55-76. https://doi.org/10.3897/subtbiol.17.7542
Figure 4 - Stygofauna discovery rates by lithology in Queensland, Australia; In Figure 4 the discovery rate of stygofauna is indicated by numerical figures located above the columns, the total number of samples is indicated by numerical figures located along the x-axis, and the average stygofauna discovery rate (28%) is plotted as a grey, dashed line.
Figure 8 from: Glanville K, Schulz C, Tomlinson M, Butler D (2016) Biodiversity and biogeography of groundwater invertebrates in Queensland, Australia. Subterranean Biology 17: 55-76. https://doi.org/10.3897/subtbiol.17.7542
Figure 8 - Distribution of described families across different lithologies in Queensland, Australia; In Figure 8 the total number of lithologies is indicated by numerical figures located to the right of the bars and the total number of samples is indicated by numerical figures located along the y-axis.
Figure 7 from: Glanville K, Schulz C, Tomlinson M, Butler D (2016) Biodiversity and biogeography of groundwater invertebrates in Queensland, Australia. Subterranean Biology 17: 55-76. https://doi.org/10.3897/subtbiol.17.7542
Figure 7 - Diversity of described families across different lithologies in Queensland, Australia; In Figure 7 the total number of described families is indicated by numerical figures located above the columns and the total number of samples is indicated by numerical figures located along the x-axis.
Figure 6 from: Glanville K, Schulz C, Tomlinson M, Butler D (2016) Biodiversity and biogeography of groundwater invertebrates in Queensland, Australia. Subterranean Biology 17: 55-76. https://doi.org/10.3897/subtbiol.17.7542
Figure 6 - Diversity of described families in different IBRA subregions in Queensland, Australia; In Figure 6 the total number of described families is indicated by numerical figures located to the right of the bars and the total number of samples is indicated by numerical figures located along the y-axis.
Figure 9 from: Glanville K, Schulz C, Tomlinson M, Butler D (2016) Biodiversity and biogeography of groundwater invertebrates in Queensland, Australia. Subterranean Biology 17: 55-76. https://doi.org/10.3897/subtbiol.17.7542
Figure 9 - Comparison of systemic composition of described families from Australia and the World Average; In Figure 9 the systemic composition of described stygofauna families is compared between the Pilbara region (Western Australia, Australia) derived from Eberhard et al. (2005), Queensland (Australia), and the World Average derived from Eberhard et al. (2005).
Figure 3 from: Glanville K, Schulz C, Tomlinson M, Butler D (2016) Biodiversity and biogeography of groundwater invertebrates in Queensland, Australia. Subterranean Biology 17: 55-76. https://doi.org/10.3897/subtbiol.17.7542
Figure 3 - Distribution of stygofauna sampling effort by lithology in Queensland, Australia; In Figure 3 the total number of samples is indicated by numerical figures located above the columns and the percentage of samples is indicated by numerical figures along the x-axis.
Figure 2 from: Glanville K, Schulz C, Tomlinson M, Butler D (2016) Biodiversity and biogeography of groundwater invertebrates in Queensland, Australia. Subterranean Biology 17: 55-76. https://doi.org/10.3897/subtbiol.17.7542
Figure 2 - Outline map of Queensland, Australia highlighting the location of stygofauna sampling sites and other localities; In Figure 2 an outline map shows the location of all 582 stygofauna sampling sites and other key localities mentioned in the text (e.g. Bowen Basin, Murray–Darling Basin, Proserpine–Sarina Lowlands IBRA region).
Figure 1 from: Glanville K, Schulz C, Tomlinson M, Butler D (2016) Biodiversity and biogeography of groundwater invertebrates in Queensland, Australia. Subterranean Biology 17: 55-76. https://doi.org/10.3897/subtbiol.17.7542
Figure 1 - Diagram map of the structure of the 'Queensland Subterranean Aquatic Fauna Database'.
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