Mapping ecological corridors in the Upper Paraguay River Basin, Brazil: Applications for sustainability, public policy and decision-making

被引:0
|
作者
Oliveira, Maxwell da Rosa [1 ]
Fernando, Adriana Maria Espinoza [2 ]
Camilo, Andre Restel [3 ]
Pereira, Guellity Marcel Fonseca [4 ]
da Silva, Thaishi Leonardo [5 ]
Tomas, Walfrido Moraes [6 ]
机构
[1] Univ Fed Minas Gerais, Programa Posgrad Biol Vegetal, Rua beneditinos, 552, BR-79081090 Campo Grande, MS, Brazil
[2] Univ Fed Mato Grosso do Sul, Programa Posgrad Ecol & Conservacao, Campo Grande, Brazil
[3] Smithsonian Conservat Biol Inst, Front Royal, VA USA
[4] Ecosev, Sao Paulo, Brazil
[5] WWF, Asa Sul, Brazil
[6] Embrapa Pantanal, Corumba, Brazil
关键词
circuitscape; connectivity; environmental corridors; least cost path; natural corridors; pantanal; wetlands; MATO-GROSSO; CONSERVATION; CONNECTIVITY; MODEL;
D O I
10.1111/csp2.13267
中图分类号
X176 [生物多样性保护];
学科分类号
090705 ;
摘要
The Upper Paraguay Basin (BAP) is one of the largest river basins in South America, covering three countries: Brazil, Bolivia and Paraguay. In Brazil, one of the main risks to BAP conservation is the loss of native vegetation. In the floodplain region of the BAP, more than 13% of native vegetation was converted, while in the surrounding highlands the loss of native vegetation reached over 61% of the area. These values tend to increase, highlighting the importance of territorial planning for sustainable development in the region. In this sense, we mapped the ecological corridors in the Upper Paraguay Basin, in Brazil, to support conservation strategies focused on maintaining connectivity on a regional scale. To achieve this, we use the Least Cost Path and Circuitscape methods, based on a multispecies approach. As a result, we identified 303 fragments of native vegetation or conservation units that can be considered nodes and 859 ecological corridors. Of all the ecological corridors identified, around 288 were lost in just 3 years, due to the conversion of native vegetation. In general, our results were an extensive network of corridors, which can be applied in UPRB territorial planning, aiming to reduce the impacts of loss of connectivity in the region. Our results highlight the importance of territorial planning and quick and effective decision-making to mitigate the effects of native vegetation loss for biodiversity conservation in the UPRB. A Bacia do Alto Paraguai (BAP) & eacute; uma das maiores bacias hidrogr & aacute;ficas da Am & eacute;rica do Sul, abrangendo tr & ecirc;s pa & iacute;ses: Brasil, Bol & iacute;via e Paraguai. No Brasil, um dos maiores riscos para a conserva & ccedil;& atilde;o da BAP & eacute; a perda de vegeta & ccedil;& atilde;o nativa. Na plan & iacute;cie, regi & atilde;o baixa da BAP, mais de 13% da vegeta & ccedil;& atilde;o nativa foi convertida, o planalto, regi & atilde;o alta, sofreu a maior perda de vegeta & ccedil;& atilde;o nativa, com mais de 61% da & aacute;rea. A tend & ecirc;ncia desses valores & eacute; de aumento, destacando a import & acirc;ncia do planejamento territorial para um desenvolvimento sustent & aacute;vel da regi & atilde;o. Nesse sentido, n & oacute;s mapeamos os corredores ecol & oacute;gicos existentes na Bacia do Alto Paraguai, no Brasil, para dar suporte a estrat & eacute;gias de conserva & ccedil;& atilde;o focadas na manuten & ccedil;& atilde;o da conectividade em escala regional. Para isso, usamos os m & eacute;todos do caminho de menor custo e Circuitscape, com base em uma abordagem multiesp & eacute;cie. Como resultado, n & oacute;s identificamos 303 fragmentos de vegeta & ccedil;& atilde;o nativa ou unidades de conserva & ccedil;& atilde;o que podem ser considerados nodos e 859 corredores ecol & oacute;gicos. De todos os corredores ecol & oacute;gicos identificados, cerca de 288 foram perdidos em apenas tr & ecirc;s anos, devido & agrave; convers & atilde;o da vegeta & ccedil;& atilde;o nativa. Em geral, nossos resultados foram uma extensa rede de corredores, que podem ser aplicados no planejamento territorial da UPRB, visando a redu & ccedil;& atilde;o dos impactos da perda de conectividade da regi & atilde;o. Nossos resultados destacam a import & acirc;ncia do planejamento territorial e da tomada de decis & otilde;es r & aacute;pida e eficaz para mitigar os efeitos da perda de vegeta & ccedil;& atilde;o nativa para a conserva & ccedil;& atilde;o da biodiversidade na UPRB.
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页数:14
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