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10 results for “land conversion”
Result data from "Relative effects of land conversion and land-use intensity on terrestrial vertebrate diversity"
<p>These tif files contain the raw results of the publication "Relative effects of land conversion and land-use intensity on terrestrial vertebrate diversity", i.e. the raw data used to create the species richness loss maps shown in the main text and Supplementary Information of the publication. Please cite the publication when using these data.</p>
Quantifying the spatial heterogeneity of forest conversion costs and how it relates to biodiversity, conservation and land use history
<b>Description: </b><p>Start and end dates of salvage logging activity at the SAFE Project experimental site</p><p><b>Project: </b>This dataset was collected as part of the following SAFE research project: <a href="https://www.safeproject.net/projects/project_view/6"><b>Quantifying the spatial heterogeneity of forest conversion costs and how it relates to biodiversity, conservation and land use history</b></a></p><p><b>Funding: </b>These data were collected as part of research funded by: </p><ul><li>Sime Darby (grant)</li></ul><p>This dataset is released under the CC-BY 4.0 licence, requiring that you cite the dataset in any outputs, but has the additional condition that you acknowledge the contribution of these funders in any outputs.</p><p></p><p><b>Permits: </b>These data were collected under permit from the following authorities:</p><ul><li>Sabah Biodiversity Council (Research licence na)</li></ul><p></p><p><b>XML metadata: </b>GEMINI compliant metadata for this dataset is available <a href="https://www.safeproject.net/datasets/xml_metadata?id=3266827">here</a></p><p><b>Files: </b>This dataset consists of 2 files: template_Symes.xlsx, SAFE_COUPE.zip</p><p><b>template_Symes.xlsx</b></p><p>This file contains dataset metadata and 1 data tables:</p><ol><li><p><b>Salvage logging records</b> (described in worksheet Data)</p><p>Description: Dates of earliest and latest known salvage logging activity in logging coupes</p><p>Number of fields: 10</p><p>Number of data rows: 187</p><p>Fields: </p><ul><li><b>CoupeNumber</b>: Coupe number (Field type: Location)</li><li><b>StartDateTrack</b>: Earliest date of logging activity recorded through GPS loggers on bulldozers (Field type: Date)</li><li><b>EndDateTrack</b>: Last date of logging activity recorded through GPS loggers on bulldozers (Field type: Date)</li><li><b>StartDateLocation</b>: Earliest date of logging activity recorded through 'Location' method (Field type: Date)</li><li><b>EndDateLocation</b>: Last date of logging activity recorded through 'Location' method (Field type: Date)</li><li><b>StartDateMeasurement</b>: Earliest date of logging activity recorded through 'Measurement' method (Field type: Date)</li><li><b>EndDateMeasurement</b>: Last date of logging activity recorded through 'Measurement' method (Field type: Date)</li><li><b>Contractor</b>: Name of the contractor responsible for the coupe (Field type: ID)</li><li><b>GlobalStart</b>: Earliest date of any recorded salvage logging activity (Field type: Date)</li><li><b>GlobalEnd</b>: Last date of any recorded salvage logging activity (Field type: Date)</li></ul></li></ol><p><b>SAFE_COUPE.zip</b></p><p>Description: SAFE coupe data</p><p><b>Date range: </b>2013-01-02 to 2015-12-31</p><p><b>Latitudinal extent: </b>4.5000 to 5.0700</p><p><b>Longitudinal extent: </b>116.7500 to 117.8200</p>
Contrasting ecological mechanisms mediate the impact of land conversion on ecosystem multifunctionality
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Data from: Tropical rainforest conversion and land-use intensification reduce understory plant phylogenetic diversity
1. Conversion of rainforest into agricultural land affects multiple facets of tropical plant diversity. While the effects of tropical land use change and intensification on species diversity are comparatively well studied, the effects on phylogenetic diversity and structure of plant communities are largely unknown. Furthermore, it is not clear how the loss of native species and addition of alien species collectively affect phylogenetic diversity and structure. 2. We investigated the phylogenetic diversity and structure of understorey plants; a diverse and ecologically important, yet poorly studied group. We studied four prominent land use systems (tropical lowland rainforest, jungle rubber agroforest, rubber plantations and oil palm plantations) in the lowlands of Sumatra (Indonesia), a region experiencing dramatic land use changes. 3. Across the four systems, we investigated differences in four metrics of phylogenetic community structure (phylogenetic diversity, mean pairwise distance, mean nearest taxon distance and their abundance-weighted variants). Our analyses were based on a comprehensive vegetation survey consisting of 32 plots, 1,197 species of vascular plants, and 146,599 plant individuals. 4. Our results showed that forest conversion into agricultural systems leads to a pronounced loss of phylogenetic diversity. Furthermore, the standard effect size of mean pairwise distance indicated a gradual change from clustered to overdispersed phylogenetic community structure with increasing land use intensity from forest over jungle rubber to the monoculture plantations. In most land use systems, the presence or absence of alien plant species did not affect phylogenetic structure. Only in oil palm plantations, removing alien species from the data led to a more overdispersed structure. In conclusion, conserving the phylogenetic diversity and structure requires efficient protection of the last remaining rainforests. 5. Synthesis and applications. Forest conversion into agricultural areas negatively affects phylogenetic understorey plant diversity and leads to a shift from clustered to overdispersed phylogenetic community structure. These trends are partly driven by alien species particularly in oil palm plantations. Protecting the remaining rainforests, and considering multi-species agroforestry systems in favour of intensive monoculture plantations are thus imperative to conserve phylogenetic plant diversity and community structure.
Data from: Tropical rainforest conversion and land-use intensification reduce understory plant phylogenetic diversity
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A practical approach to measuring the biodiversity impacts of land conversion
<p><span>1. Further progress in reducing biodiversity loss relies on the improved quantification of the connections between drivers of habitat loss and subsequent biodiversity impacts. To this end, biodiversity impact metrics should be able to report linked trends in specific human activities and changes in biodiversity state, accounting for both the ecology of different species, and the cumulative effects of historical habitat losses. These characteristics are not currently captured within a single metric.</span></p> <p><span>2. Here we develop a globally applicable methodological framework that uses freely and publicly available datasets to quantify the relative impacts of anthropogenic activities on biodiversity. We use species-specific habitat suitability models to link specific land uses to ensuing changes in the likelihood that local populations of those species will persist. To illustrate our approach w</span>e assess the impacts of soy expansion and other land uses within <span>the Brazilian Cerrado</span> on <span>over 2,000 species of amphibians, birds, mammals and plants</span> for three periods between 2000 and 2014.</p> <p><span>3. Our results showed that mammals and plants suffered the greatest overall reduction of suitable habitat. However, among endemic and near-endemic species – which face greatest risk of global extinction from habitat conversion in the Cerrado – birds and mammals were the most affected groups. While conversion of natural vegetation to grassland and planted pastures were together responsible for most of the biodiversity impact of recent changes, </span>soy expansion (via direct conversion of natural vegetation) had the greatest impact per unit area. The total biodiversity impact of recent land-use change was concentrated in the southern states of the Cerrado -Minas Geráis, Goiás and Mato Grosso - but the impact on biodiversity of production of soy was greatest within the agricultural frontiers of Bahía and Piauí.</p> <p><span>4. </span>The flexibility of our approach to examine linkages between biodiversity loss and specific human activities has clear potential to better characterise the pathways by which habitat loss drivers operate. Its capacity to incorporate species-specific ecological needs, through a globally applicable methodology, can improve the tangibility of biodiversity loss assessments.</p>
A practical approach to measuring the biodiversity impacts of land conversion
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Data from: Habitat attributes similarities reduce impacts of land-use conversion on seed removal
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Dataset for "Spatiotemporal impacts of land conversion on avian functional and phylogenetic diversities''
<p>The dataset was obtained with information from:</p> <ol> <li> <p>The National Land Cover Database (NLCD), free online available, and released by Dewitz and U.S. Geological Survey (2019) (<a href="https://www.usgs.gov/centers/eros/science/national-land-cover-database">https://www.usgs.gov/centers/eros/science/national-land-cover-database</a>)</p> </li> <li> <p>The North American Breeding Bird Survey Dataset, free online available, and released by Ziolkowski Jr. DJ, Lutmerding M, Aponte VI, and Hudson M-A R (2022) North American Breeding Bird Survey Dataset 1966 - 2021: U.S. Geological Survey data release (<a href="https://www.usgs.gov/centers/eesc/science/north-american-breeding-bird-survey">https://www.usgs.gov/centers/eesc/science/north-american-breeding-bird-survey</a>)</p> </li> <li> <p>The AVONET Dataset, published by Tobias JA, Sheard C, Pigot AL, Devenish AJM, Yang J, Sayol F et al. (2022) AVONET: morphological, ecological and geographical data or all birds. Ecology Letters, 25, 581– 597 (<a href="https://onlinelibrary.wiley.com/doi/full/10.1111/ele.13898">https://onlinelibrary.wiley.com/doi/full/10.1111/ele.13898</a>)</p> </li> <li> <p>Data on life history traits of birds, assembled by the hosting lab members (including myself)</p> </li> <li> <p>Maximum clade credibility phylogenies (CCP) based on the pseudo-posterior distribution of trees available at www.birdtree.org, developed by the hosting lab.</p> </li> </ol> <p>Data was extracted and structured to be used to reach the results from the manuscript "<strong>Spatiotemporal impacts of land conversion on avian functional and phylogenetic diversities</strong>". </p> <p>This manuscript is part of the second and fifth Working Packages (WP2 and WP5) of the project ENVIRON_CHANGE, financed by the European Union's Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie Grant Agreement No. 101030199. The aim of the WP2 was to estimate changes in phylogenetic and functional diversities across land use change and describe its temporal dynamics. The WP5 was dedicated to disseminate and communicate the research.</p>
Supplementary Data from "Relative effects of land conversion and land-use intensity on terrestrial vertebrate diversity"
<p>These tif-files contain gridded supplementary data produced for the publication " Relative effects of land conversion and land-use intensity on terrestrial vertebrate diversity".</p> <p>2010_area_incl_fallow_### depict the area of the respective land-use type in km2 in each grid cell.</p> <p>2010_HANPPharv_pc_### depict the land-use intensity based on intensity indicator 1 of the respective land-use type in proportion of NPPpot in each grid cell.</p>
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