Plant Community Recovery following Restoration in Temporally Variable Riparian Wetlands

Meyer, Clinton K.; Whiles, Matt R.; Baer, Sara G.

doi:10.1111/j.1526-100x.2008.00451.x

Cited by 41 publications

(30 citation statements)

References 55 publications

(60 reference statements)

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“…For example, even after 39 years, Lennox et al (2011) observed no response of perennial herbaceous species to restoration of riparian woody vegetation. However, the literature also includes cases when riparian vegetation showed rapid recovery, for instance, after elimination of grazing (Hough-Snee et al 2013) or alien clearing (Ruwanza et al 2013), as well as examples of intermediate recovery rates (Meyer et al 2010).…”

Section: Discussionmentioning

confidence: 99%

Restoration effects on germination and survival of plants in the riparian zone: a phytometer study

Dietrich

Jansson

2015

Plant Ecol

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Many streams that were channelized to facilitate timber floating in northern Sweden, have in recent years been restored by returning coarse sediment (cobbles and boulders) to the channel and reconnecting riparian with instream habitats. We asked if such restoration measures affect germination and survival of plants in the riparian zone, and if such potential effects depend on location in the catchment. We used a paired site approach, comparing the performance of Helianthus annuus (sunflower) phytometers (seeds and seedlings) in the riparian zone in channelized versus restored river reaches along climate and stream size gradients in the Vindel River catchment in northern Sweden. Phytometer survival, substrate availability, and soil nutrient content in large streams were enhanced by restoration, but overall, phytometer performance was negatively related to the length of the growing season, i.e. phytometers grew best at high altitudes and short growing seasons. This result may have been caused by less competition from the shorter and sparser neighbouring vegetation at these sites or to more frequent flooding events, enhancing retention of organic matter. Soil nutrient levels were lowest close to the coast and in large streams, probably due to deposition of mineral sediment. The higher availability of riparian habitat at restored than at channelized sites suggests that plant species richness and abundance may potentially increase after restoration. Seedling transplantation seems to be a preferable revegetation measure, because phytometer seedlings established better than seeds and survival was significantly higher at restored sites. The good plant performance at sites with short growing seasons and high altitudes suggests that, with limited resources, restoration measures should first be located to such sites.

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Section: Discussionmentioning

confidence: 99%

Restoration effects on germination and survival of plants in the riparian zone: a phytometer study

Dietrich

Jansson

2015

Plant Ecol

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“…mesic grass and sedge complexes with meandering linear sloughs in low-lying areas. Substrata within these sloughs are predominantly sand and silt, and vegetation cover ranges from 0 to 100% (Meyer et al , 2010. Sloughs in this region range from ephemeral to perennial, depending on evapotranspiration, precipitation, and groundwater connections to Platte River channels (Wesche et al 1994;Whiles and Goldowitz 1998).…”

Section: Study Regionmentioning

confidence: 98%

Quantitative Assessment of Yield, Precision, and Cost-Effectiveness of Three Wetland Invertebrate Sampling Techniques

2011

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Macroinvertebrates are increasingly used as indicators of wetland integrity and productivity. However, accurate interpretation of biological information depends on effective sampling methods, which are also preferably costeffective. We compared sampling yield, precision, and costeffectiveness of two traditional wetland sampling methods (dipnet, stove pipe corer) to a dipnet combined with a dropframe in wetlands in the Platte River Valley, USA. The dropframe method was designed to be more quantitative than standard dipnet techniques and to maximize capture of mobile taxa. We compared measures of macroinvertebrate community structure (e.g., abundance, richness, diversity) and function (functional structure, habitat associations), as well as processing time for each sampling technique in vegetated and non-vegetated habitats. Vegetated habitats harbored higher richness, diversity, abundance, and biomass of most invertebrates. The dipnet consistently yielded the lowest values in vegetated and non-vegetated habitats, suggesting that sampling with a dipnet alone can greatly underestimate macroinvertebrate populations and diversity.The corer and the dropframe yielded similar results, but the dropframe produced significantly higher richness values. While the dropframe appeared to be a good choice for sampling in these wetlands, sample processing times for this method were more than two times longer than the other methods. Results provide a basis for informed decisions regarding quantitative sampling of wetland macroinvertebrates.

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“…The length of time since transplantation (Heleno et al 2010), and the timing of the restoration event (Fegley et al 2009) relative to reproduction recruitment and important environmental factors (e.g. rainfall, temperature; Cummings et al 2007, Meyer et al 2010 may also be important.…”

Section: Discussionmentioning

confidence: 99%

Context-dependent success of restoration of a key species, biodiversity and community composition

Hewitt¹,

Cummings²

2013

Mar. Ecol. Prog. Ser.

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Increasingly, restoration is seen as a management and conservation tool, with aims of restoring not just a single species but a natural functioning community. In marine soft sediment systems, biodiversity and communities are often strongly related to the presence of key species, suggesting that restoration of a single species could result in restoration of communities/biodiversity. The success of such a restoration is likely to be context-dependent, driven by hydrodynamics, local diversity and ambient communities. A transplant experiment with adult Austrovenus stutchburyi was conducted in 2 different hydrodynamic compartments of a large New Zealand harbour. After 1 yr, densities of transplant sized individuals and smaller adults were enhanced at both sites, although enhancement of juveniles only occurred at 1 site. Measures of diversity did not increase in the experimental plots; however, at 1 site the benthic macrofaunal community had changed. Probable reasons for the location-dependent results are differences in hydrodynamic connectivity and ambient communities, although density-dependent effects driven by small differences in the success of adult enhancement may also have been important.

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Plant Community Recovery following Restoration in Temporally Variable Riparian Wetlands

Cited by 41 publications

References 55 publications

Restoration effects on germination and survival of plants in the riparian zone: a phytometer study

Restoration effects on germination and survival of plants in the riparian zone: a phytometer study

Quantitative Assessment of Yield, Precision, and Cost-Effectiveness of Three Wetland Invertebrate Sampling Techniques

Context-dependent success of restoration of a key species, biodiversity and community composition

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