Wetland creation in agricultural landscapes: Biodiversity benefits on local and regional scales

Thiere, Géraldine; Milenkovski, Susanne; Lindgren, Per-Eric; Sahlén, Göran; Berglund, Olof; Weisner, Stefan E. B.

doi:10.1016/j.biocon.2009.01.006

Cited by 162 publications

(118 citation statements)

References 49 publications

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“…Nelson et al (2009) who, in their Oregon (USA) case study, found little evidence of trade-offs between biodiversity and ecosystem services, relied on only 24 species as an indication of biodiversity. Species richness , species diversity (Thiere et al, 2009), rarity (Chan et al, 2006) were also used as proxies for biodiversity. We suggested that better surrogates were needed, or even that the use of surrogates be abandoned in favor of using direct measures of biodiversity.We only quantified the 'hypotheses' relating to biodiversity and ecosystem services hotspots, rather than measurements relating to these two concepts.…”

Section: Limitationsmentioning

confidence: 99%

Spatial characteristics between biodiversity and ecosystem services in a human-dominated watershed

Bai

Chen

Ouyang

et al. 2011

Ecological Complexity

224

114

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Section: Limitationsmentioning

confidence: 99%

Spatial characteristics between biodiversity and ecosystem services in a human-dominated watershed

Bai

Chen

Ouyang

et al. 2011

Ecological Complexity

224

114

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“…Initially, wetland creation in agricultural areas in Sweden focused on increasing denitrification on a catchment level as a cost efficient method to reduce the transport of nitrogen to the Baltic Sea [6,7]. However, the impacts on biodiversity and on phosphorus transports were later added as important benefits obtained through wetland creation in agricultural areas [5,8,9]. There is also an increasing awareness worldwide that wetlands provide a multitude of ecosystem services [10][11][12].…”

Section: Introductionmentioning

confidence: 99%

National Large-Scale Wetland Creation in Agricultural Areas—Potential versus Realized Effects on Nutrient Transports

Weisner

Johannesson

Thiere

et al. 2016

Water

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During 2007During -2013, the Swedish Board of Agriculture granted support within a national program to about 1000 wetlands, corresponding to a 5300-hectare wetland area, with the dual goal to remove nutrients from water and to improve biodiversity in agricultural landscapes. The aim of the present study was to compare the effects on nutrient transports that are realized within the national program to what could be obtained with the same area of wetlands if location and design of wetlands were optimized. In single, highly nutrient-loaded wetlands, a removal of around 1000 kg nitrogen and 100 kg phosphorus per hectare wetland area and year was estimated from monitoring data. Statistical models were developed to estimate the overall nutrient removal effects of wetlands created within the national program. Depending on model, the effect of the national program as a whole was estimated to between 27 and 38 kg nitrogen and between 2.7 and 4.5 kg phosphorus per hectare created wetland area and year. Comparison of what is achieved in individual wetlands to what was achieved in the national program indicates that nutrient removal effects could be increased substantially in future wetland programs by emphasising location and design of wetlands.

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“…Thus, the lower baseline nutrient levels in cropland streams in this study also were reflected by the generally lower chlorophyll-a concentrations. Other possible reasons for the lack of between-stream type differences in algal biomass were the small sample sizes and high variation in estimating both water-column and benthic chlorophyll-a concentrations, and the relatively young age (7 years) of the created wetlands, which were still developing and evolving their biological productive capacities (Mitsch and Gosselink, 2007;Thiere et al, 2009).…”

Section: Discussionmentioning

confidence: 99%

Effects of conservation wetlands on stream habitat, water quality and fish communities in agricultural watersheds of the lower Mississippi River Basin

Shrestha

Farrelly

Eggleton

et al. 2017

Ecological Engineering

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a b s t r a c tWetland conservation programs (e.g., Wetland Reserve Program and Conservation Reserve Program) have been implemented throughout the Mississippi River Basin to reduce environmental impacts from agricultural activities. However, there is limited information on the overall effectiveness of these programs on improving stream ecological conditions. To address this issue, replicate streams from southeastern Arkansas draining watersheds containing predominately croplands (n = 4, termed "cropland") and created wetlands (n = 4, termed "wetland") were monitored monthly from August 2012 through July 2013. Although repeated-measures analyses of variance (ANOVA) detected many significant time × stream type interactions, several habitat parameters and total habitat scores exhibited a general improvement in wetland streams. Some water quality conditions were better in wetland streams (e.g., lower turbidity, total suspended solids, and nutrient) compared to cropland streams. The time (season) effect was significant (p < 0.05) for 13 of the 14 water quality parameters measured, meaning that water quality varied seasonally. Among the water quality parameters measured, three (water temperature, pH, and turbidity) exhibited significant (p < 0.05) time × stream type interaction, meaning that the stream type effect was not consistent through time (seasons). Fish community sampling collected 6543 specimens from 12 species during the study period; 4410 and 2133 fish specimens were collected from cropland and wetland streams, respectively. Fish community metrics such as species diversity, species evenness, and species richness index were not significantly (p > 0.05) greater in wetland streams. Overall, the conservation wetlands in the Lower Mississippi River Basin appear to have significantly improved stream habitat and moderately improved water quality, though no significant fish community effect was detected.

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Wetland creation in agricultural landscapes: Biodiversity benefits on local and regional scales

Cited by 162 publications

References 49 publications

Spatial characteristics between biodiversity and ecosystem services in a human-dominated watershed

Spatial characteristics between biodiversity and ecosystem services in a human-dominated watershed

National Large-Scale Wetland Creation in Agricultural Areas—Potential versus Realized Effects on Nutrient Transports

Effects of conservation wetlands on stream habitat, water quality and fish communities in agricultural watersheds of the lower Mississippi River Basin

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