Environmental and Human Controls of Ecosystem Functional Diversity in Temperate South America
The regional controls of biodiversity patterns have been traditionally evaluated using structural and compositional components at the species level, but evaluation of the functional component at the ecosystem level is still scarce. During the last decades, the role of ecosystem functioning in manage...
| Main Authors: | , , , |
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| Format: | info:eu-repo/semantics/article |
| Language: | English |
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MDPI
2020
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10835/7381 |
| _version_ | 1789406707825246208 |
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| author | Alcaraz Segura, Domingo Paruelo Suarez, José María Epstein, Howard Cabello Piñar, Francisco Javier |
| author_facet | Alcaraz Segura, Domingo Paruelo Suarez, José María Epstein, Howard Cabello Piñar, Francisco Javier |
| author_sort | Alcaraz Segura, Domingo |
| collection | DSpace |
| description | The regional controls of biodiversity patterns have been traditionally evaluated using structural and compositional components at the species level, but evaluation of the functional component at the ecosystem level is still scarce. During the last decades, the role of ecosystem functioning in management and conservation has increased. Our aim was to use satellite-derived Ecosystem Functional Types (EFTs, patches of the land-surface with similar carbon gain dynamics) to characterize the regional patterns of ecosystem functional diversity and to evaluate the environmental and human controls that determine EFT richness across natural and human-modified systems in temperate South America. The EFT identification was based on three descriptors of carbon gain dynamics derived from seasonal curves of the MODIS Enhanced Vegetation Index (EVI): annual mean (surrogate of primary production), seasonal coefficient of variation (indicator of seasonality) and date of maximum EVI (descriptor of phenology). As observed for species richness in the southern hemisphere, water availability, not energy, emerged as the main climatic driver of EFT richness in natural areas of temperate South America. In anthropogenic areas, the role of both water and energy decreased and increasing human intervention increased richness at low levels of human influence, but decreased richness at high levels of human influence. |
| format | info:eu-repo/semantics/article |
| id | oai:repositorio.ual.es:10835-7381 |
| institution | Universidad de Cuenca |
| language | English |
| publishDate | 2020 |
| publisher | MDPI |
| record_format | dspace |
| spelling | oai:repositorio.ual.es:10835-73812023-04-12T19:00:39Z Environmental and Human Controls of Ecosystem Functional Diversity in Temperate South America Alcaraz Segura, Domingo Paruelo Suarez, José María Epstein, Howard Cabello Piñar, Francisco Javier ecosystem functional diversity ecosystem functional types ecosystem functioning environmental controls human controls MODIS EVI richness South America The regional controls of biodiversity patterns have been traditionally evaluated using structural and compositional components at the species level, but evaluation of the functional component at the ecosystem level is still scarce. During the last decades, the role of ecosystem functioning in management and conservation has increased. Our aim was to use satellite-derived Ecosystem Functional Types (EFTs, patches of the land-surface with similar carbon gain dynamics) to characterize the regional patterns of ecosystem functional diversity and to evaluate the environmental and human controls that determine EFT richness across natural and human-modified systems in temperate South America. The EFT identification was based on three descriptors of carbon gain dynamics derived from seasonal curves of the MODIS Enhanced Vegetation Index (EVI): annual mean (surrogate of primary production), seasonal coefficient of variation (indicator of seasonality) and date of maximum EVI (descriptor of phenology). As observed for species richness in the southern hemisphere, water availability, not energy, emerged as the main climatic driver of EFT richness in natural areas of temperate South America. In anthropogenic areas, the role of both water and energy decreased and increasing human intervention increased richness at low levels of human influence, but decreased richness at high levels of human influence. 2020-01-16T11:24:37Z 2020-01-16T11:24:37Z 2013-01-04 info:eu-repo/semantics/article 2072-4292 http://hdl.handle.net/10835/7381 en https://www.mdpi.com/2072-4292/5/1/127 Attribution-NonCommercial-NoDerivatives 4.0 Internacional http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess MDPI |
| spellingShingle | ecosystem functional diversity ecosystem functional types ecosystem functioning environmental controls human controls MODIS EVI richness South America Alcaraz Segura, Domingo Paruelo Suarez, José María Epstein, Howard Cabello Piñar, Francisco Javier Environmental and Human Controls of Ecosystem Functional Diversity in Temperate South America |
| title | Environmental and Human Controls of Ecosystem Functional Diversity in Temperate South America |
| title_full | Environmental and Human Controls of Ecosystem Functional Diversity in Temperate South America |
| title_fullStr | Environmental and Human Controls of Ecosystem Functional Diversity in Temperate South America |
| title_full_unstemmed | Environmental and Human Controls of Ecosystem Functional Diversity in Temperate South America |
| title_short | Environmental and Human Controls of Ecosystem Functional Diversity in Temperate South America |
| title_sort | environmental and human controls of ecosystem functional diversity in temperate south america |
| topic | ecosystem functional diversity ecosystem functional types ecosystem functioning environmental controls human controls MODIS EVI richness South America |
| url | http://hdl.handle.net/10835/7381 |
| work_keys_str_mv | AT alcarazseguradomingo environmentalandhumancontrolsofecosystemfunctionaldiversityintemperatesouthamerica AT paruelosuarezjosemaria environmentalandhumancontrolsofecosystemfunctionaldiversityintemperatesouthamerica AT epsteinhoward environmentalandhumancontrolsofecosystemfunctionaldiversityintemperatesouthamerica AT cabellopinarfranciscojavier environmentalandhumancontrolsofecosystemfunctionaldiversityintemperatesouthamerica |