Importance of Riparian Zone: Effects of Resource Availability at Land-water Interface

Xiang, Hongyong; Zhang, Yixin; Richardson, John S.

doi:10.1515/remc-2016-0001

Cited by 21 publications

(14 citation statements)

References 189 publications

(279 reference statements)

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“…In comparison to the surrounding region, riparian areas are usually considered to have extra functionality in terms of ecosystem service provision through enhanced flood control, water purification or biodiversity (Salo and Theobald, 2016;Sutfin et al, 2016;Xiang et al, 2016). However, in our study there was no evidence that fundamental differences exist between riparian zones and the adjacent land.…”

Section: Ecosystem Service Provisioncontrasting

confidence: 75%

Quantifying the contribution of riparian soils to the provision of ecosystem services

Sosa

Glanville

Marshall

et al. 2018

Science of The Total Environment

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Riparian areas, the interface between land and freshwater ecosystems, are considered to play a pivotal role in the supply of regulating, provisioning, cultural and supporting services. Most previous studies, however, have tended to focus on intensive agricultural systems and only on a single ecosystem function. Here, we present the first study which attempts to assess a wide range of ecological processes involved in the provision of the ecosystem service of water quality regulation across a diverse range of riparian typologies. Specifically, we focus on 1) evaluating the spatial variation in riparian soils properties with respect to distance with the river and soil depth in contrasting habitat types; 2) gaining further insights into the underlying mechanisms of pollutant removal (i.e. pesticide sorption/degradation, denitrification, etc.) by riparian soils; and 3) quantify and evaluate how riparian vegetation across different habitat types contribute to the provision of watercourse shading. All the habitats were present within a single large catchment and included: (i) improved grassland, (ii) unimproved (semi-natural) grassland, (iii) broadleaf woodland, (iv) coniferous woodland, and (iv) mountain, heath and bog. Taking all the data together, the riparian soils could be statistically separated by habitat type, providing evidence that they deliver ecosystem services to differing extents. Overall, however, our findings seem to contradict the general assumption that soils in riparian area are different from neighbouring (non-riparian) areas and that they possess extra functionality in terms of ecosystem service provision. Watercourse shading was highly habitat specific and was maximal in forests (ca. 52% shade cover) in comparison to the other habitat types (7-17%). Our data suggest that the functioning of riparian areas in less intensive agricultural areas, such as those studied here, may be broadly predicted from the surrounding land use, however, further research is required to critically test this across a wider range of ecosystems.

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Section: Ecosystem Service Provisioncontrasting

confidence: 75%

Quantifying the contribution of riparian soils to the provision of ecosystem services

Sosa

Glanville

Marshall

et al. 2018

Science of The Total Environment

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“…The current fishery management paradigm of maintaining stock levels for next generation recruitment does not consider essential landscape-scale processes that support ecosystem function. Our results also reflect the importance of considering cross-boundary interactions during the current trend towards ecosystem-based management [56,78–80]. As salmon runs persist well below historic levels in many parts of their North American range [81], an ecosystem-based approach to managing salmon and river ecosystems is necessary to maintain holistic ecosystem function.…”

Section: Discussionmentioning

confidence: 54%

Salmon increase forest bird abundance and diversity

Wagner

Reynolds

2019

PLoS ONE

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Resource subsidies across ecosystems can have strong and unforeseen ecological impacts. Marine-derived nutrients from Pacific salmon (Onchorhycus spp.) can be transferred to streams and riparian forests through diverse food web pathways, fertilizing forests and increasing invertebrate abundance, which may in turn affect breeding birds. We quantified the influence of salmon on the abundance and composition of songbird communities across a wide range of salmon-spawning biomass on 14 streams along a remote coastal region of British Columbia, Canada. Point-count data spanning two years were combined with salmon biomass and 13 environmental covariates in riparian forests to test for correlates with bird abundance, foraging guilds, individual species, and avian diversity. We show that bird abundance and diversity increase with salmon biomass and that watershed size and forest composition are less important predictors. This work provides new evidence for the importance of salmon to terrestrial ecosystems and information that can inform ecosystem-based management.

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“…The lack of changes in the feeding behavior of A. paris according to the sampling site, despite the marked environmental characteristics in the two streams where it was collected, indicates the species is a probable insectivorous specialist feeder. Insectivorous fish influence both aquatic and terrestrial environments and play an important ecological role in regulating populations of their prey (Knight et al, 2005;Wesner, 2012;Xiang et al, 2016).…”

Section: Discussionmentioning

confidence: 99%

Ontogeny of feeding by Astyanax paris in streams of the Uruguay River Basin, Brazil

Cavalheiro¹,

Fialho²

2019

Anim. Biodiv. Conserv.

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Ontogeny of feeding by Astyanax paris in streams of the Uruguay River Basin, Brazil. We studied the ontogeny of feeding by Astyanax paris, an insectivorous characid fish from streams of the Uruguay River Basin in southern Brazil. Size-based differences in diet composition were evaluated using permutational multivariate analysis of variance (PERMANOVA). Six streams surveyed over twelve months yielded twenty specimens for analysis of stomach contents. Smaller individuals (SL ≤ 25 mm) consumed mainly aquatic insects. As body size increased, there was a gradual shift to a diet dominated by terrestrial insects. Ontogeny of feeding habitats thus changes the species' position in stream food webs. ResumenOntogenia de la alimentación de Astyanax paris en los arroyos de la cuenca fluvial del río Uruguay, en Brasil. Estudiamos la ontogenia de la alimentación de Astyanax paris, un pez carácido insectívoro de los arroyos de la cuenca del río Uruguay, en el sureste de Brasil. Las diferencias de la composición de la dieta en función del tamaño se analizaron mediante el análisis de varianza multivariante con permutaciones (PERMANOVA). Se muestrearon seis arroyos durante 12 meses y se obtuvieron 20 especímenes para analizar el contenido del estómago. Los individuos más pequeños (longitud estándar ≤ 25 mm) consumieron principalmente insectos acuáticos. A medida que aumentaba el tamaño corporal, se pasaba gradualmente a una dieta compuesta principalmente por insectos terrestres. En consecuencia, la ontogenia de los hábitats de alimentación cambia la posición de las especies en las redes tróficas de los arroyos.

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Importance of Riparian Zone: Effects of Resource Availability at Land-water Interface

Cited by 21 publications

References 189 publications

Quantifying the contribution of riparian soils to the provision of ecosystem services

Quantifying the contribution of riparian soils to the provision of ecosystem services

Salmon increase forest bird abundance and diversity

Ontogeny of feeding by Astyanax paris in streams of the Uruguay River Basin, Brazil

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