NDLI: Do Two Different Approaches to the Season in Modeling Affect the Predicted Distribution of Fish? A Case Study for Decapterus maruadsi in the Offshore Waters of Southern Zhejiang, China

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Do Two Different Approaches to the Season in Modeling Affect the Predicted Distribution of Fish? A Case Study for Decapterus maruadsi in the Offshore Waters of Southern Zhejiang, China

Content Provider	MDPI
Author	Ma, Wen Gao, Chunxia Qin, Song Ma, Jin Zhao, Jing
Copyright Year	2022
Description	The relationships between environmental factors and fish density are closely related, and species distribution models (SDMs) have been widely used in exploring these relationships and predicting the spatial distribution of fishery resources. When exploring the prediction of the spatial distribution of species in different seasons, the method of choosing the appropriate approach to the season will help to improve the predictive performance of the model. Based on data collected from 2015 to 2020 during a survey off southern Zhejiang, the Tweedie-GAM was used to establish the relationship between the density of Decapterus maruadsi and environmental factors at different modeling approaches. The results showed that water temperature, salinity and depth were the main factors influencing D. maruadsi, and they operated through different mechanisms and even resulted in opposite trends of density in different seasons. Spatially, the two modeling approaches also differed in predicting the spatial distribution of D. maruadsi, with the seasonal model showing a higher density trend in inshore waters than in offshore waters in spring but showing the opposite trend in summer and autumn, which was more consistent with the actual spatial distribution of the resource. By analyzing the effects of two different approaches on the prediction of fishery resources, this study aims to provide research ideas and references for improving the predictive performance of SDMs.
Starting Page	153
e-ISSN	24103888
DOI	10.3390/fishes7040153
Journal	Fishes
Issue Number	4
Volume Number	7
Language	English
Publisher	MDPI
Publisher Date	2022-06-27
Access Restriction	Open
Subject Keyword	Fishes Generalized Additive Model Decapterus Maruadsi Habitat Predictive Performance Offshore Waters of Southern Zhejiang
Content Type	Text
Resource Type	Article

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