The Prediction of Global Suitable Habitat Distribution for East Asian Finless Porpoise
The East Asian Finless Porpoise(Neophocaena asiaeorientalis sunameri),as a national second-class protected animal in China and an endangered species in IUCN red list,is distributed in China,Japan and Korea coastal waters.This species attracted little attention,its habitat has not been systematically evaluated so far.In this study,the distribution model was constructed based on distribution data of east Asian Finless Porpoise and downloaded environmental factors data on MaxEnt and ArcGIS platform.The AUCtraining=0.973,AUCtest=0.965 indicated good precision of the model and reliable result.The habitat area with suitability greater than 0.5 was about 213 110.2 km2,mainly distributed in coastal waters north of Taiwan strait,China(159 865.4 km2),the western and southern waters of the Korean peninsula(37 863.3 km2),and the southeastern waters of Japan(4 615 km2).The areas of high suitability(habitat suitability>0.7)are distributed from north Zhejiang province to Nantong,from Yancheng to the vicinity of Lianyungang,Bohai Sea north Weihai,China and Ganghwa Bay and its surrounding waters in South Korea.By analyzing the contribution rate,the leading importance of factor,and the jackknife test,the bathymetry,salinity,and sea surface temperatures are important in the prediction MaxEnt model.Based on our results in habitat suitability prediction,the study suggested to increase the area or number of the natural marine protected areas appropriately,control anthropogenic activities,and improve the survival and development of east Asian Finless Porpoises.
the Narrow-ridged Finless Porpoisehabitat predictionMaxEntbathymetryenvironmental factors
万方数据
维普
