ESTIMATION OF BASIN-WIDE FISH HABITAT POTENTIAL USING ENVIRONMENTAL DNA

DOI

Bibliographic Information

Other Title
  • 環境DNAを用いた流域網羅的な魚類生息ポテンシャルの推定

Description

<p> In this study, we estimated the habitat potential of multiple fish species in the Takatsu Basin using the MaxEnt model based on the presence information of fishes revealed by environmental DNA analysis. As a result, the AUC was more than 0.7 for all fish species that were selected for analysis, demonstrating that the constructed models were useful for estimating the distribution of target species. The results also revealed that the habitat potential of most fish species was strongly affected by the riverbed gradient and flow rate in the subwatersheds. On the other hand, the importance of river water temperature and land use was lower than that of riverbed gradient. The estimation of habitat potential using MaxEnt reproduced the distribution trends of fish species with high accuracy, indicating that the habitat potential of multiple fish species can be estimated comprehensively in a watershed by using the MaxEnt model with fish presence data obtained by environmental DNA analysis.</p>

Journal

Keywords

Details 詳細情報について

  • CRID
    1390021846534015872
  • DOI
    10.2208/jscejj.24-16123
  • ISSN
    24366021
  • Text Lang
    ja
  • Data Source
    • JaLC
  • Abstract License Flag
    Disallowed

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