Geology-dependent impacts of forest conversion on stream fish diversity

© 2020 Society for Conservation Biology.

Bibliographische Detailangaben
Veröffentlicht in:Conservation biology : the journal of the Society for Conservation Biology. - 1999. - 35(2021), 3 vom: 10. Juni, Seite 884-896
1. Verfasser: Ishiyama, Nobuo (VerfasserIn)
Weitere Verfasser: Miura, Kazuki, Inoue, Takahiro, Sueyoshi, Masanao, Nakamura, Futoshi
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Conservation biology : the journal of the Society for Conservation Biology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't agricultura agriculture deforestación deforestation estresantes múltiples eutrofización eutrophication forest restoration mehr... geodiversidad geodiversity interacciones interactions lithology litología multiple stressors restauración de bosques
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520 |a Forest conversion is one of the greatest global threats to biodiversity, and land-use change and subsequent biodiversity declines sometimes occur over a variety of underlying geologies. However, how forest conversion and underlying geology interact to alter biodiversity is underappreciated, although spatial variability in geology is considered an integral part of sustaining ecosystems. We aimed to examine the effects of forest conversion to farmland, the underlying geology, and their interaction on the stream fishes' diversity, evenness, and abundance in northeastern Japan. We disentangled complex pathways between abiotic and biotic factors with structural equation modeling. Species diversity of stream fishes was indirectly shaped by the interaction of land use and underlying geology. Diversity declined due to nutrient enrichment associated with farmlands, which was mainly the result of changes in evenness rather than by changes in species richness. This impact was strongest in streams with volcanic geology with coarse substrates probably because of the differential responses of abundant stream fishes to nutrient enrichment (i.e., dominance) and the high dependency of these fishes on large streambed materials during their life cycles. Our findings suggest that remediation of deforested or degraded forest landscapes would be more efficient if the interaction between land use and underlying geology was considered. For example, the negative impacts of farmland on evenness were larger in streams with volcanic geology than in other stream types, suggesting that riparian forest restoration along such streams would efficiently provide restoration benefits to stream fishes. Our results also suggest that land clearing around such streams should be avoided to conserve species evenness of stream fishes 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a agricultura 
650 4 |a agriculture 
650 4 |a deforestación 
650 4 |a deforestation 
650 4 |a estresantes múltiples 
650 4 |a eutrofización 
650 4 |a eutrophication 
650 4 |a forest restoration 
650 4 |a geodiversidad 
650 4 |a geodiversity 
650 4 |a interacciones 
650 4 |a interactions 
650 4 |a lithology 
650 4 |a litología 
650 4 |a multiple stressors 
650 4 |a restauración de bosques 
700 1 |a Miura, Kazuki  |e verfasserin  |4 aut 
700 1 |a Inoue, Takahiro  |e verfasserin  |4 aut 
700 1 |a Sueyoshi, Masanao  |e verfasserin  |4 aut 
700 1 |a Nakamura, Futoshi  |e verfasserin  |4 aut 
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773 1 8 |g volume:35  |g year:2021  |g number:3  |g day:10  |g month:06  |g pages:884-896 
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