Contrasting associations between habitat conditions and stream aquatic biodiversity in a forest reserve and its surrounding area in the Eastern Amazon
Streams of protected areas should be subjected to less environmental degradation than surrounding areas and consequently support greater aquatic biodiversity. To test this, 186 environmental and landscape variables were measured in 34 streams within the Caxiuanã National Forest (CNF) and its surroun...
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| Veröffentlicht in: | Hydrobiologia 2019, Vol.826 (1), p.263-277 |
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| creator | Montag, Luciano F. A. Leão, Híngara Benone, Naraiana L. Monteiro-Júnior, Cláudio S. Faria, Ana Paula J. Nicacio, Gilberto Ferreira, Cristiane P. Garcia, Diogo H. A. Santos, Cleverson R. M. Pompeu, Paulo S. Winemiller, Kirk O. Juen, Leandro |
| description | Streams of protected areas should be subjected to less environmental degradation than surrounding areas and consequently support greater aquatic biodiversity. To test this, 186 environmental and landscape variables were measured in 34 streams within the Caxiuanã National Forest (CNF) and its surrounding zone in the eastern Amazon. We expected that streams inside the CNF protected area would have more riparian forest cover and large woody debris (LWD) that increase instream habitat complexity and aquatic biodiversity. Several environmental variables differed between streams in the CNF and surrounding zone; however, the major difference was greater LWD, leaf litter, and channel depth in CNF streams. Richness of fish, Chironomidae, EPT (Ephemeroptera + Plecoptera + Trichoptera), and all-groups combined were positively associated with LWD. Assemblage taxonomic composition was correlated with several variables, but most groups revealed no clear differentiation between the two areas. This lack of differentiation may be explained by relatively minor environmental impacts in areas surrounding the CNF given the region’s small human population. The most notable impact to streams outside of the CNF was removal of LWD to facilitate boat passage. To conserve aquatic biodiversity, we recommend expansion of protected areas and adoption of policies governing land use in surrounding zones. |
| doi_str_mv | 10.1007/s10750-018-3738-1 |
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A. ; Leão, Híngara ; Benone, Naraiana L. ; Monteiro-Júnior, Cláudio S. ; Faria, Ana Paula J. ; Nicacio, Gilberto ; Ferreira, Cristiane P. ; Garcia, Diogo H. A. ; Santos, Cleverson R. M. ; Pompeu, Paulo S. ; Winemiller, Kirk O. ; Juen, Leandro</creator><creatorcontrib>Montag, Luciano F. A. ; Leão, Híngara ; Benone, Naraiana L. ; Monteiro-Júnior, Cláudio S. ; Faria, Ana Paula J. ; Nicacio, Gilberto ; Ferreira, Cristiane P. ; Garcia, Diogo H. A. ; Santos, Cleverson R. M. ; Pompeu, Paulo S. ; Winemiller, Kirk O. ; Juen, Leandro</creatorcontrib><description>Streams of protected areas should be subjected to less environmental degradation than surrounding areas and consequently support greater aquatic biodiversity. To test this, 186 environmental and landscape variables were measured in 34 streams within the Caxiuanã National Forest (CNF) and its surrounding zone in the eastern Amazon. We expected that streams inside the CNF protected area would have more riparian forest cover and large woody debris (LWD) that increase instream habitat complexity and aquatic biodiversity. Several environmental variables differed between streams in the CNF and surrounding zone; however, the major difference was greater LWD, leaf litter, and channel depth in CNF streams. Richness of fish, Chironomidae, EPT (Ephemeroptera + Plecoptera + Trichoptera), and all-groups combined were positively associated with LWD. Assemblage taxonomic composition was correlated with several variables, but most groups revealed no clear differentiation between the two areas. This lack of differentiation may be explained by relatively minor environmental impacts in areas surrounding the CNF given the region’s small human population. The most notable impact to streams outside of the CNF was removal of LWD to facilitate boat passage. To conserve aquatic biodiversity, we recommend expansion of protected areas and adoption of policies governing land use in surrounding zones.</description><identifier>ISSN: 0018-8158</identifier><identifier>EISSN: 1573-5117</identifier><identifier>DOI: 10.1007/s10750-018-3738-1</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Aquatic habitats ; Aquatic insects ; Biodiversity ; Biomedical and Life Sciences ; Boats ; Composition ; Differentiation ; Ecology ; Environmental degradation ; Environmental impact ; Environmental testing ; Fish ; Freshwater & Marine Ecology ; Habitats ; Human populations ; Land use ; Leaf litter ; Life Sciences ; National forests ; Policies ; Primary Research Paper ; Protected areas ; Removal ; Riparian forests ; Rivers ; Streams ; Zoology</subject><ispartof>Hydrobiologia, 2019, Vol.826 (1), p.263-277</ispartof><rights>Springer Nature Switzerland AG 2018</rights><rights>Hydrobiologia is a copyright of Springer, (2018). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-3377c43e15ea5fef87639a98cef172e3550a4a1c69ae1da2136e2537c879f6393</citedby><cites>FETCH-LOGICAL-c316t-3377c43e15ea5fef87639a98cef172e3550a4a1c69ae1da2136e2537c879f6393</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10750-018-3738-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10750-018-3738-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Montag, Luciano F. 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To test this, 186 environmental and landscape variables were measured in 34 streams within the Caxiuanã National Forest (CNF) and its surrounding zone in the eastern Amazon. We expected that streams inside the CNF protected area would have more riparian forest cover and large woody debris (LWD) that increase instream habitat complexity and aquatic biodiversity. Several environmental variables differed between streams in the CNF and surrounding zone; however, the major difference was greater LWD, leaf litter, and channel depth in CNF streams. Richness of fish, Chironomidae, EPT (Ephemeroptera + Plecoptera + Trichoptera), and all-groups combined were positively associated with LWD. Assemblage taxonomic composition was correlated with several variables, but most groups revealed no clear differentiation between the two areas. This lack of differentiation may be explained by relatively minor environmental impacts in areas surrounding the CNF given the region’s small human population. The most notable impact to streams outside of the CNF was removal of LWD to facilitate boat passage. 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A.</au><au>Leão, Híngara</au><au>Benone, Naraiana L.</au><au>Monteiro-Júnior, Cláudio S.</au><au>Faria, Ana Paula J.</au><au>Nicacio, Gilberto</au><au>Ferreira, Cristiane P.</au><au>Garcia, Diogo H. A.</au><au>Santos, Cleverson R. M.</au><au>Pompeu, Paulo S.</au><au>Winemiller, Kirk O.</au><au>Juen, Leandro</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Contrasting associations between habitat conditions and stream aquatic biodiversity in a forest reserve and its surrounding area in the Eastern Amazon</atitle><jtitle>Hydrobiologia</jtitle><stitle>Hydrobiologia</stitle><date>2019</date><risdate>2019</risdate><volume>826</volume><issue>1</issue><spage>263</spage><epage>277</epage><pages>263-277</pages><issn>0018-8158</issn><eissn>1573-5117</eissn><abstract>Streams of protected areas should be subjected to less environmental degradation than surrounding areas and consequently support greater aquatic biodiversity. To test this, 186 environmental and landscape variables were measured in 34 streams within the Caxiuanã National Forest (CNF) and its surrounding zone in the eastern Amazon. We expected that streams inside the CNF protected area would have more riparian forest cover and large woody debris (LWD) that increase instream habitat complexity and aquatic biodiversity. Several environmental variables differed between streams in the CNF and surrounding zone; however, the major difference was greater LWD, leaf litter, and channel depth in CNF streams. Richness of fish, Chironomidae, EPT (Ephemeroptera + Plecoptera + Trichoptera), and all-groups combined were positively associated with LWD. Assemblage taxonomic composition was correlated with several variables, but most groups revealed no clear differentiation between the two areas. This lack of differentiation may be explained by relatively minor environmental impacts in areas surrounding the CNF given the region’s small human population. 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| subjects | Aquatic habitats Aquatic insects Biodiversity Biomedical and Life Sciences Boats Composition Differentiation Ecology Environmental degradation Environmental impact Environmental testing Fish Freshwater & Marine Ecology Habitats Human populations Land use Leaf litter Life Sciences National forests Policies Primary Research Paper Protected areas Removal Riparian forests Rivers Streams Zoology |
| title | Contrasting associations between habitat conditions and stream aquatic biodiversity in a forest reserve and its surrounding area in the Eastern Amazon |
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