Relevant bibliographies by topics / Wetland conservation Restoration ecology

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Wetland conservation Restoration ecology'

Author: Grafiati
Published: 4 June 2021
Last updated: 7 February 2022

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Journal articles on the topic "Wetland conservation Restoration ecology"

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Matchett, Elliott L., and Joseph P. Fleskes. "Waterbird Habitat in California's Central Valley Basins Under Climate, Urbanization, and Water Management Scenarios." Journal of Fish and Wildlife Management 9, no. 1 (January 17, 2018): 75–94. http://dx.doi.org/10.3996/122016-jfwm-095.

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Abstract California's Central Valley provides critical, but threatened habitat and food resources for migrating and wintering waterfowl, shorebirds, and other waterbirds. To assist in conservation planning, the Central Valley Joint Venture identified nine basins in the Valley. The basins vary in composition and extent of habitats, which primarily include croplands and wetlands that rely on water supplies shared with other competing human and environmental uses. Changes in climate, urban development, and water supply management are uncertain and could reduce future availability of water supplies supporting waterbird habitats and limit effectiveness of wetland restoration planned by the Central Valley Joint Venture to support wintering waterbirds. We modeled 17 plausible scenarios including combinations of 3 climate projections, 3 urbanization rates, and 5 water-supply management options to promote agricultural and urban water uses, with and without wetland restoration. Our research examines the reduction in quantity and quality of habitats during the autumn migration–wintering period by basin under each scenario, and the efficacy of planned wetland restoration to compensate for reductions in flooded areas of wetland habitats. Scenario combinations of projected climate, urbanization, and water-supply management options reduced availability of flooded cropland and wetland habitats during autumn–winter and degraded the quality of seasonal wetlands (i.e., summer irrigation for improved forage production), though the extent and frequency of impacts varied by basin. Planned wetland restoration may substantially compensate for scenario-related effects on wetland habitats in each basin. However, results indicate that Colusa, Butte, Sutter, San Joaquin, and Tulare basins may require additional conservation to support summer irrigation of seasonal wetlands and winter flooding of cropland habitats. Still further conservation may be required to provide sufficient areas of flooded seasonal and semipermanent wetlands in San Joaquin and Tulare basins during autumn–winter. The main objective of this research was to provide decision support for achieving waterbird conservation goals in the valley and to inform Central Valley Joint Venture's regional conservation planning.
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Carberry, Brendan, Tom A. Langen, and Michael R. Twiss. "Surface Water Quality Differs between Functionally Similar Restored and Natural Wetlands of the Saint Lawrence River Valley in New York." Land 10, no. 7 (June 27, 2021): 676. http://dx.doi.org/10.3390/land10070676.

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We tested the hypothesis that upland wetland restorations provide the same quality of wetland, in terms of ecosystem services and biodiversity, as natural wetlands in the St. Lawrence River Valley. Water quality (pH, alkalinity, colored dissolved organic matter, phytoplankton community composition, chlorophyll-a, fecal coliform, total phosphorus, dissolved nitrate, turbidity, specific conductivity) in 17 natural and 45 restored wetlands was compared to determine whether wetland restoration provided similar physicochemical conditions as natural wetlands in the Saint Lawrence River Valley of northeastern New York State. Natural wetlands were more acidic, which was hypothesized to result from the avoidance of naturally acidic regions by farmers seeking to drain wetlands for crop and pasture use. Natural wetlands had significantly greater fecal coliform concentrations. Restored wetlands had significantly greater specific conductivity and related ions, and this is attributed to the creation of wetlands upon marine clay deposits. Other water quality indicators did not differ between restored and natural wetlands. These findings confirm other research at these same wetlands showing no substantial differences between restored and natural wetlands in major biotic indicators. Thus, we conclude that wetland restoration does result in wetlands that are functionally the same as the natural wetlands they were designed to replicate.
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Lind, P. R., B. J. Robson, B. D. Mitchell, and T. G. Matthews. "Can sand slugs in rivers deliver conservation benefits? The biodiversity value of tributary junction plug wetlands in the Glenelg River, Australia." Marine and Freshwater Research 60, no. 5 (2009): 426. http://dx.doi.org/10.1071/mf08175.

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Restoration works are carried out to alleviate human impacts and improve habitats within ecosystems. However, human impacts may also create new (anthropogenic) habitat for species to exploit. A dilemma arises when proposed restoration works would remove anthropogenic habitat and the assemblages it supports. Sediment input into the Glenelg River has formed tributary junction plug wetlands at confluences. Sand slug removal is proposed as part of river rehabilitation, but would also drain plug wetlands. We sampled four plug wetland, four river run and three river pool sites to determine whether plug wetlands influence water quality and add to the biodiversity of macroinvertebrates in the Glenelg River. Water quality and macroinvertebrate diversity were similar in plug wetlands, river runs and river pools. Assemblages were distinct among all sites, regardless of type, so there was no characteristic ‘plug-wetland fauna’. Therefore, although removal of plug wetlands would not cause a dramatic loss of invertebrate biodiversity, it would destroy anthropogenic habitat that supports a similar range of species to natural habitats in a river subject to multiple degrading processes. Gains from rehabilitation should be weighed against the value of anthropogenic habitat and the extent of similar habitat lost elsewhere in the ecosystem.
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Gong, Yaxi, Xiang Ji, Xiaochun Hong, and Shanshan Cheng. "Correlation Analysis of Landscape Structure and Water Quality in Suzhou National Wetland Park, China." Water 13, no. 15 (July 30, 2021): 2075. http://dx.doi.org/10.3390/w13152075.

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The newly issued “Guideline of General Planning of Wetland Parks”, China, reclassified the functional zoning of national wetland parks into three categories: conservation areas, restoration and reconstruction areas, and rational utilization areas. Therefore, the country is facing a new round of revision and compilation of the general planning of national wetland parks. The purpose of this paper was to provide information to guide wetland park functional zoning and to formulate the water pollution prevention and control strategy. In this study, 53 sampling points of 6 national wetland parks in Suzhou City were selected. Pearson’s correlation analysis, multiple stepwise regression analysis, redundancy analysis, single factor, and comprehensive water quality identification index methods were used to analyze the effects of wetland landscape types and landscape configuration on water quality. (1) Lakes and rivers in the wetland park had positive ecological effects and should be distributed in each functional zone. (2) Grassland ecology is fragile. Grasslands should be distributed in conservation areas and in restoration and reconstruction areas. (3) Woodland and cultivated land have both ecological and economic benefits. They can be used as ecological buffer and entertainment zones, which are respectively distributed in the restoration and reconstruction areas and in the reasonable utilization areas. (4) Built-up land is highly disturbed by humans. It should only occur in the rational utilization areas and far away from the conservation areas.
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Li, Heying, Jiayao Wang, Jianchen Zhang, Fen Qin, Jiyuan Hu, and Zheng Zhou. "Analysis of Characteristics and Driving Factors of Wetland Landscape Pattern Change in Henan Province from 1980 to 2015." Land 10, no. 6 (May 27, 2021): 564. http://dx.doi.org/10.3390/land10060564.

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The study of the temporal and spatial evolution of wetland landscapes and its driving factors is an important reference for wetland ecological restoration and protection. This article utilized seven periods of land use data in Henan Province from 1980 to 2015 to extract the spatial distribution characteristics of wetlands and analyze the temporal and spatial changes of wetlands in Henan Province. Transfer matrix, landscape metrics, correlation analysis, and redundancy analysis were applied to calculate and analyze the transformation types and area of wetland resources between all consecutive periods, and then the main driving factors of wetland expansion/contraction were explored. First, the total wetland area in Henan Province increased by 28% from 1980 to 2015, and the increased wetland area was mainly constructed wetlands, including paddy field, reservoir and pond, and canal. Natural wetlands such as marsh, lake, and floodplain decreased by 74%. Marsh area declined the most during 1990–1995, and was mainly transformed into floodplain and “Others” because of agricultural reclamation, low precipitation, and low Yellow River runoff. The floodplain area dropped the most from 2005 to 2010, mainly converted to canals and “Others” because of reclamation, exploitation of groundwater, the construction of the South–to–North Water Transfer Project, and recreational land development. Second, the results of correlation analysis and redundancy analysis indicated that economic factors were positively correlated with the area of some constructed wetlands and negatively correlated with the area of some natural wetlands. Socioeconomic development was the main driving factors for changes in wetland types. The proportion of wetland habitat in Henan Province in 2015 was only 0.3%, which is low compared to the Chinese average of 2.7%. The government should pay more attention to the restoration of natural wetlands in Henan Province.
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McCauley, Lisa A., Michael J. Anteau, and Max Post van der Burg. "Consolidation Drainage and Climate Change May Reduce Piping Plover Habitat in the Great Plains." Journal of Fish and Wildlife Management 7, no. 1 (November 1, 2015): 4–13. http://dx.doi.org/10.3996/072015-jfwm-068.

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Abstract Many waterbird species utilize a diversity of aquatic habitats; however, with increasing anthropogenic needs to manage water regimes there is global concern over impacts to waterbird populations. The federally threatened piping plover (Charadrius melodus; hereafter plovers) is a shorebird that breeds in three habitat types in the Prairie Pothole Region of North Dakota, South Dakota, and Canada: riverine sandbars; reservoir shorelines; and prairie wetlands. Water surface areas of these habitats fluctuate in response to wet–dry periods; decreasing water surface areas expose shorelines that plovers utilize for nesting. Climate varies across the region so when other habitats are unavailable for plover nesting because of flooding, prairie wetlands may periodically provide habitat. Over the last century, many of the wetlands used by plovers in the Prairie Pothole Region have been modified to receive water from consolidation drainage (drainage of smaller wetlands into another wetland), which could eliminate shoreline nesting habitat. We evaluated whether consolidation drainage and fuller wetlands have decreased plover presence in 32 wetlands historically used by plovers. We found that wetlands with more consolidation drainage in their catchment and wetlands that were fuller had a lower probability of plover presence. These results suggest that plovers could have historically used prairie wetlands during the breeding season but consolidation drainage, climate change, or both have reduced available shoreline habitat for plovers through increased water levels. Prairie wetlands, outside of some alkali wetlands in the western portion of the region, are less studied as habitat for plovers when compared with river and reservoir shorelines. Our study suggests that these wetlands may have played a larger role in plover ecology than previously thought. Wetland restoration and conservation, through the restoration of natural hydrology, may be required to ensure that adequate habitat exists among the three habitat types in the face of existing or changing climate and to ensure long-term plover conservation.
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Zentner, J., J. Glaspy, and D. Schenk. "Wetland and Riparian Woodland Restoration Costs." Ecological Restoration 21, no. 3 (September 1, 2003): 166–73. http://dx.doi.org/10.3368/er.21.3.166.

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Benson, Catherine E., Brendan Carberry, and Tom A. Langen. "Public–Private Partnership Wetland Restorations Provide Quality Forage for Waterfowl in Northern New York." Journal of Fish and Wildlife Management 10, no. 2 (July 1, 2019): 323–35. http://dx.doi.org/10.3996/092018-jfwm-080.

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Abstract The Partners for Fish and Wildlife Program and Wetlands Reserve Program are U.S. federal programs that provide financial and technical assistance to restore wetland habitats on private property, and are important tools for the conservation and management of waterfowl. This study examined whether these wetland restorations successfully restored one important component of waterfowl habitat, the availability of vegetative forage, at sites in the St. Lawrence River valley of New York. We conducted surveys at 47 restored and 18 reference wetlands to characterize the vegetation assemblage in terms of its value as forage for waterfowl. Results suggest that these public–private partnership wetland restorations develop assemblages of wetland vegetation that are similar to reference wetlands. Vegetation assemblage metrics, including estimates of species richness, the richness of species of food value, the Vegetative Forage Quality Index, and the cover of species of food value, did not differ between restored–reference wetland pairs. However, invasive species were common at sites, and we detected a negative association between the cover of invasive species and the Vegetative Forage Quality Index at both restored and reference wetlands. On the basis of these results, we conclude that Partners for Fish and Wildlife Program and Wetland Reserve Program wetland restorations provide quality forage for breeding and migratory waterfowl in this region, but that the presence of invasive vegetation at sites has the potential to decrease the quality of vegetative forage at sites over time.
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Loesch, Charles R., Ronald E. Reynolds, and LeRoy T. Hansen. "An Assessment of Re-Directing Breeding Waterfowl Conservation Relative to Predictions of Climate Change." Journal of Fish and Wildlife Management 3, no. 1 (June 1, 2012): 1–22. http://dx.doi.org/10.3996/032011-jfwm-020.

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Abstract The U.S. Fish and Wildlife Service has a long history of habitat conservation in the Prairie Pothole Region (PPR) of the United States that has focused on migratory birds, particularly waterfowl. The ongoing acquisition program of the U.S. Fish and Wildlife Service National Wildlife Refuge System has conserved approximately 1.1 million hectares of critical breeding waterfowl habitat. Results of recent predicted future climate scenarios are being used to suggest that waterfowl conservation be shifted away from currently important areas in the western and central portions of the U.S. PPR eastward, to locations where wetland and climate models suggest may become more conducive for providing wetland habitat for breeding ducks in the future. We used 24 years of breeding waterfowl and wetland monitoring data collected by the U.S. Fish and Wildlife Service National Wildlife Refuge System in the PPR of North and South Dakota and northeast Montana, along with land value and restoration cost data to conduct an economic assessment of the biological risk of refocusing waterfowl conservation efforts eastward due to recent projections of climate change. We considered the immediate risk of the loss of existing wetland and grassland resources in the western portion of the U.S. PPR, their current carrying capacity and production potential, the financial cost of protection vs. restoration relative to current conservation priorities, and the uncertainty of climate change effects on waterfowl habitat distribution. Because unprotected wetland and grassland habitats exist in the western and central portions of the PPR that are important for maintaining current waterfowl carrying capacity and productivity, and climate change effects are highly uncertain, maintaining the current focus of habitat protection appears to be the most cost effective approach for waterfowl habitat conservation efforts. Additionally, continued intensive monitoring activities designed to detect changing waterfowl populations and upland and wetland habitat as they relate to anthropogenic impacts (e.g., pattern tile drainage, grassland conversion) and climatic changes (e.g., wetland hydro-period), should provide more precise results to inform and adapt management and conservation activities accordingly should spatial and temporal changes in wet-dry cycles occur in the future.
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Spangler, Delanie M., Anna Christina Tyler, and Carmody K. McCalley. "Effects of Grazer Exclusion on Carbon Cycling in Created Freshwater Wetlands." Land 10, no. 8 (July 31, 2021): 805. http://dx.doi.org/10.3390/land10080805.

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Wetland ecosystems play a significant role in the global carbon cycle, and yet are increasingly threatened by human development and climate change. The continued loss of intact freshwater wetlands heightens the need for effective wetland creation and restoration. However, wetland structure and function are controlled by interacting abiotic and biotic factors, complicating efforts to replace ecosystem services associated with natural wetlands and making ecologically-driven management imperative. Increasing waterfowl populations pose a threat to the development and persistence of created wetlands, largely through intensive grazing that can shift vegetation community structure or limit desired plant establishment. This study capitalized on a long-term herbivore exclusion experiment to evaluate how herbivore management impacts carbon cycling and storage in a created wetland in Western New York, USA. Vegetation, above- and belowground biomass, soil carbon, carbon gas fluxes and decomposition rates were evaluated in control plots with free access by large grazers and in plots where grazers had been excluded for four years. Waterfowl were the dominant herbivore at the site. Grazing reduced peak growing season aboveground biomass by over 55%, and during the summer, gross primary productivity doubled in grazer exclusion plots. The shift in plant productivity led to a 34% increase in soil carbon after exclusion of grazers for five growing seasons, but no change in belowground biomass. Our results suggest that grazers may inhibit the development of soil carbon pools during the first decade following wetland creation, reducing the carbon sequestration potential and precluding functional equivalence with natural wetlands.
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Dissertations / Theses on the topic "Wetland conservation Restoration ecology"

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Newbold, Stephen Carlisle. "Targeting conservation activities : cost-effective wetlands restoration in the Central Valley of California /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2002. http://uclibs.org/PID/11984.

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Thesis (Ph. D.)--University of California, Davis, 2002.
Degree granted in Ecology. Includes bibliographical references (leaves189-199). Also available via the World Wide Web. (Restricted to UC campuses)
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Fritz, Gisela B. "The floral and faunal recovery of a restored coastal wetland : Kunz Marsh, South Slough, Coos Bay, Or. /." Connect to title online (Scholars' Bank), 2001. http://hdl.handle.net/1794/5381.

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Weiss, Ronald A. "The status and distribution of rails and other marsh birds in natural and restored wetlands in northern Indiana." Virtual Press, 1995. http://liblink.bsu.edu/uhtbin/catkey/1001187.

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This study examines the status and distribution of rail populations in northern Indiana. Because rails are secretive and difficult to study, there have been few attempts in Indiana to determine the impact of wetland loss on the populations of rails and other marsh-nesting birds. There can be little doubt, however, that the loss of Indiana wetlands during historic times has caused a dramatic decline in rail populations.Using tape-recorded calls to elicit vocalizations, the status and distribution of five species of rails were studied in a 25,900 km2 area in northern Indiana in 1993 and 1994. A total of 107 surveys were conducted at 46 natural wetlands and 42 restored wetlands. The species surveyed were Sora (Porzana carolina), Virginia Rail (Rallus limicola), King Rail (Rallus elegans), Yellow Rail (Coturnicops noveboracensis), and Black Rail (Laterallus jamaicensis). Playbacks were also used to detect American Bittern (Botaurus lentiginosus), Least Bittern (Ixobrychus exilis), Marsh Wren (Cistothorus palustris) and Sedge Wren (Cistothorus platensis). Data were also collected on all other species of marsh-nesting birds detected during this study.Rails exhibited a patchy distribution. A total of 25 Soras, 33 Virginia Rails, and 1 King Rail was detected in natural wetlands in 1993. In 1994, 75 Soras, 46 Virginia Rails, and 1 King Rail was detected in the natural wetlands. A total of 30 Soras and 9 Virginia Rails was found in the restored wetlands studied in 1993 and 1994. No Yellow or Black Rails were found. Ten Least Bitterns, 31 Marsh Wrens, and 6 Sedge Wrens were detected in natural wetlands, but these species were not observed in restored wetlands.The occurrence of rails in natural wetlands was positively correlated with wetland size, presence of shrub vegetation in the watershed, amount of emergent vegetation, proximity of other wetlands, and extent of cattail cover. Negative correlations were found for human disturbance, amount of open water, and watershed characteristics. The strongest negative correlationswere found for human disturbances in or around the wetland.In restored wetlands, a significant difference was found between the occurrence of Sora and Virginia Rails with Soras occurring more frequently than Virginia Rails. A near significant difference in rail occurrence between natural and restored wetlands was also found, with rails occurring more frequently in natural wetlands, suggesting that natural wetlands surveyed may be a more suitable habitat for rails than the restored wetlands surveyed.Restored wetlands surveyed in this study failed to attract American Bitterns, Least Bitterns, Marsh Wrens or Sedge Wrens. American Bitterns were reported in natural wetlands during this study, but they were not observed.
Department of Biology
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Rehbein, Christina. "Remedial agriculture: Reconciling ecological restoration and agriculture in the design of a wetland complex." Thesis, University of Waterloo, 2004. http://hdl.handle.net/10012/971.

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Reconciling human landscapes with wildlife needs can demand innovative solutions. Enhancing wildlife conservation in agricultural landscapes requires habitat restoration; returning marginal farmlands to wetlands in a way that remains productive for farmers can aid existing strategies. This study develops and explores the feasibility of an ecological design to rehabilitate wet, poor quality farmland into a wetland that can serve as wildlife habitat while producing a crop. Research targets methods of biophysical site restoration that are feasible for farmers to initiate; identification of temperate wetland crops with potential to meet economic and ecological criteria; and parameters for meeting farmers' needs in terms of management and desirability. Scientific literature on wetland and restoration ecology is examined and integrated with agricultural studies and interview responses from landowners involved in alternative food production. Primary data collection for design development centers on coastal British Columbia, where competing land uses have degraded many former wetlands while the region's fertile soils support prolific, diversified farming. Qualitative, semi-structured interviews with key informants involved in local food production were conducted as part of a participative research process in order to get input and feedback throughout design development. A case study site was chosen in a seasonally flooded agricultural watershed outside of Duncan, B. C. A design is proposed that combines five habitat types with a naturalized cropping system. Major findings include the potential use of many wild and native plants as crops, as a way to provide sufficient economic returns and maintain ecological sustainability. Current opportunities for wetland agriculture include niche marketing, added value products, agrotourism, and increasing sales through farm reputation. Possible deterrents include product marketing, and the unfamiliarity of the plants from a farming perspective, where levels of acceptable damage imposed by fluctuating water conditions, weed competition, and herbivory are undetermined. Participant response was positive overall with regards to the design and preliminary results indicate that such a system could be feasible. Public interest and technical ability to create an agricultural wetland exist; developing creative marketing for such products in North America appears to be the primary challenge. The design is thus proposed as a long-term study to minimize risk for interested landowners. Redesigning human landscapes to include wild species is an important step towards a more sustainable society.
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Buckallew, Robin Randolph Dickson Kenneth L. "Comparison of bare root vs. potted plants, species selection, and caging types for restoration of a prairie wetland, and quantitative analysis and descriptive survey of plant communities and associations at Lewisville Lake Environmental Learning Area (LLELA), Lewisville, TX." [Denton, Tex.] : University of North Texas, 2007. http://digital.library.unt.edu/permalink/meta-dc-3700.

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Lougheed, Vanessa L. "A study of water quality, zooplankton and macrophytes in wetlands of the Canadian Great Lakes Basin : implications for the restoration of Cootes Paradise Marsh /." *McMaster only, 2000.

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Sieber, Tara L. "Wetland conservation in Canterbury, New Zealand : human-nature relationships and participation in local environmental groups." Lincoln University, 2006. http://hdl.handle.net/10182/2020.

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Wetlands are defined by New Zealand's Resource Management Act 1991 as "includ[ing] permanently or intermittently wet areas, shallow water and land water margins that support a natural ecosystem of plants and animals that are adapted to wet conditions" (RMA 1991). Over ninety per cent of New Zealand wetlands have been lost or modified. Several conservation groups composed of volunteers have formed to protect the few remaining areas. These wetlands and their conservators serve as an interesting study into human-nature relationships because of the precarious state of the ecosystems and the dedicated, local volunteer groups that form around them. I explored the relationship between the two through the 'soft systems tradition', which places importance on a human constructed "system of interest" (Oreszczyn 2000, p.109) in order to answer three research questions: How can the relationship between members of the wetland conservation groups and the wetlands they preserve be described; What 'triggers' people's participation and involvement in local environmental groups dedicated to wetland preservation and restoration; How do the groups advocate for wetlands and does the government play a role in this advocacy? Using cultural models (Kempton et al. 1995), I argued that definitions and representations of nature are contested. Notions of place and dwelling, of actor-network theory (Cloke and Jones 2002), and of enclosure/restoration (Watts 2004, Elliot 1986), help to explain how people form their representations of nature within wetlands. Social capital theory (Putnam 2000) helped explain participants' involvement in wetland groups. Participants were involved in the wetland protection groups in order to express personal values, skills and identity through the group (Bishop and Hoggett 1986). Most individuals had a high sense of agency, and joined a wetland protection group because they believed that collective action is more effective than individual action (Taylor 2000, Horvath 1999). Groups that meet regularly and frequently, such as the Travis Wetland Trust, have more cohesive inter-personal bonds and individuals are more committed to the group than groups that meet infrequently (Lawler et al. 2000, Lawler 2001, 2002). This connection between group activities and positive emotion (Lawler 2002) explains why most members of the Travis Wetland Trust identified group involvement as the most important aspect of their involvement. In contrast, Otipua Wetland groups' members, who are divided between the Otipua Wetland Charitable Trust Board and the Friends of the Otipua Wetland, were more likely to name restoration or service as their primary reason for involvement in the group. Advocacy was considered part of group action, although it was not officially included in either group's objectives. Individuals believed they advocated in three ways: through education activities, communication regarding the wetland and through the restoration of the work itself. Individual advocacy translates into group advocacy, since the groups are viewed as vehicles for furthering individual concerns, and acting as a group gives a better chance of achieving results (Horvath 1999). The government played a role in both groups, and all parties maintained a positive working relationship with local government. A cooperative relationship with governments is essential for increasing public awareness of wetlands (Horvath 1999).
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Taruvinga, Amon. "Economics of wetland cultivation in Zimbabwe: case study of Mashonaland East Province." Thesis, University of Fort Hare, 2009. http://hdl.handle.net/10353/d1001002.

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Wetlands are stocks of natural resources limited in supply, in the middle of unlimited human wants with multiple uses to society, presenting an economic problem in as far as their rational and sustainable use is concerned. To that end, conflicting recommendations have been forwarded regarding wetland cultivation as a possible land use across the globe and from within the same regions. On one extreme, wetland cultivation has been linked to degradation of wetlands with pure wetland conservation as the prescribed viable and sustainable land use option to society. Closer to reality, partial wetland conversion to crop land has been found compatible with wetland bio-diversity; implying that partial wetland cultivation is the prescribed wetland use option viable and sustainable to societies, a dictum mainly claimed by rural communities. With that conflicting background and based on the “Safe Minimum Standard” approach, a ban on wetland cultivation was maintained in several early environmental policies in Zimbabwe as a basis for legislative protection of wetlands, a position that is still legally binding in current statutes. Contrary to that, rural communities have responded by invading wetlands as a coping strategy in pursuit of the claimed values of wetland cultivation, further conflicting with standing policies. This scenario has managed to “lock” and is currently locking the claimed 1,28 million hectares of wetlands in Zimbabwe in a “legal-operational impasse”, at a cost to the entire nation since no meaningful investment is possible in wetlands when there is a legal conflict.
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Ntakumba, Stanley Sixolile. "The hydrogeomorphology of the Featherstone Kloof Catchment." Thesis, Rhodes University, 2013. http://hdl.handle.net/10962/d1007862.

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Wetlands are an important part of the landscape as hydrogeomorphological ecosystems. Over the centuries their importance has not received relevant attention; instead they have been treated as wastelands impeding development for maximum economic benefits. Research evidence from different parts of the world has influenced the change of such negative perceptions to an extent that the issue of wetlands' rehabilitation/restoration, conservation and management is firmly on the global agenda and local agendas of various countries, as evidenced by the adoption of the Ramsar Convention in 1971, and the Working for Water and Working for Wetlands programmes of the South African government. The aim of this research was to investigate the hydrological and geomorphological functions of a headwater wetland located in the Featherstone Kloof Catchment near Grahamstown, South Africa. The research was based on the hypotheses that wetlands store sediments, attenuate floods, store water and prolong downstream flows. A literature survey was conducted to gauge the state of knowledge about wetlands, particularly their hydrogeomorphology. An attempt was made to locate the study area within the broad historical and spatial context using a number of methods, including the radiocarbon dating of wetland sediments, the review of relevant literature and the analysis of historical hydroclimatic data. The results revealed that the wetland has existed for approximately 2000 years - as the oldest radiocarbon date obtained was 1850±50 BP. An analysis of more than a century (+120 years) long Grahamstown rainfall series indicated a steady fluctuation of rainfall around the mean, with regular decada1 cycles of wet and dry spells. Years with more rain below average were more common than those with higher rainfall, and storms events were quite common in the III area over the period. The distribution of seasons in the area over a calendar year period was demonstrated through the use of evaporation data. An intensive monitoring of hydrological and geomorphological variables was carried out using a combination of methods. The topography of the instrumented site was determined using a Total Station from reference benchmarks. Hydrological measurements included a nest of forty-eight piezometers for water table monitoring, and streamflow gauges at the upstream and downstream limits of the study site. Soil stratigraphic analysis was carried out through field techniques and laboratory measurements. A survey of wetland sediments was carried out after the main floods events. Data generated were used to analyse relationships between various variables and their role on the functioning of the wetland. The water balance of the wetland was quantified. The results indicated that the wetland was able to perform the cited hydrogeomorphological functions to some extent. For example, one of the key findings of this research is that the wetland was important in sustaining base flows under normal circumstances. However, the wetland did little to attenuate large floods. The results also revealed some important questions that require further research, including the role played by extreme flood events in altering wetland characteristics, the contribution of each water balance component in the hydrological functioning of wetlands, and importance of quantifying sediment budgets of headwater wetlands. The study demonstrated the complex nature of the wetland hydro geomorphology and that certain questions about wetlands require direct field monitoring to be better understood.
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Cowden, Craig. "Assessment of the long-term response to rehabilitation of two wetlands in KwaZulu-Natal, South Africa." Thesis, Rhodes University, 2018. http://hdl.handle.net/10962/60606.

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Assessing the outputs and outcomes of wetland rehabilitation activities is recognised by the 'Working for Wetlands' programme in South Africa as important, but to date has been limited. An assessment of the ecological outcomes and the structural outputs of the Working for Wetlands rehabilitation implemented in the Killarney and Kruisfontein wetlands, KwaZulu-Natal, in 2005 was undertaken. The assessment of outcomes included an evaluation of the changes in terms of ecological integrity and the supply of ecosystem services, using WET-Health and WET- EcoServices assessment techniques respectively, and vegetation composition. Improvements in hydrological and geomorphic integrity were recorded in both wetlands, resulting in improved ecosystem services delivery. However, investigation of vegetation composition using the Wetland Index Value and Floristic Quality Assessment Index showed that, seven years after rehabilitation, KiNamey's vegetation composition had improved, but Kruisfontein's vegetation was still largely dominated by pioneer species and appeared to be stable, but in a severely transformed state. The response of these wetlands has shown that sites for rehabilitation should be screened before work begins, and wetlands requiring intensive management of vegetation recovery should be assessed in terms of the objectives and the anticipated benefits of the project. The assessment of the outputs included an evaluation of structural integrity, survival and cost- effectiveness. Limited issues, mostly relating to deviations from the designs during construction, were identified with regards to the structural outputs at each of the wetlands. However, the spreader canals at both Killarney and Kruisfontein wetlands were not functioning as intended and concentrated flows from the spreader canals were evident in both wetlands. The use of spreader canals should therefore be carefully planned and implemented for future wetland rehabilitation projects. Consideration of ZAR per hectare equivalent re-instated/secured provided a useful initial means of determining the cost-effectiveness of the wetland rehabilitation. However, additional factors need to be considered, such as, the nature of the rehabilitation activities, the type and size of the problem being addressed, rehabilitation of priority wetlands, limitations imposed by funders, and risks that need to be addressed by the rehabilitation strategy. Furthermore, the evaluation of the Killarney and Kruisfontein wetlands highlighted the need to revise the Water Research Commission's Wetland Management Series, especially those documents or guidelines relating to rehabilitation planning (WET-RehabPlan), interventions (WET-RehabMethods), and monitoring and evaluation (WET-RehabEvaluate).
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Books on the topic "Wetland conservation Restoration ecology"

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Simenstad, Charles A. Estuarine wetland restoration monitoring protocol. Seattle, Wash: [The Institute?, 1990.

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Stevens, Michelle L. Restoring wetlands in Washington: A guidebook for wetland restoration, planning and implementation. [Olympia]: Washington State, Dept. of Ecology, 1993.

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Manci, Karen M. Riparian ecosystem creation and restoration: A literature summary. Washington, DC: U.S. Dept. of the Interior, Fish and Wildlife Service, Research and Development, 1989.

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K, Mohanty Pratap, and Institute of Mathematics and Applications (Bhubaneswar, India), eds. Lakes and coastal wetlands: Conservation, restoration, and management. New Delhi: Capital Pub. Co., 2007.

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Rheinhardt, Richard D. An evaluation of the effectiveness of existing North Carolina Department of Transportation wetland mitigation sites : phase 1 report. Raleigh, NC: Center for Transportation and the Environment, NC State University, 2000.

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A national program for wetlands restoration and creation: Report of the Interagency Committee on Wetlands Restoration and Creation to the Policy Coordinating Group, Interagency Task Force on Wetlands. [Washington, D.C.?]: The Committee, 1992.

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Zhongguo hai an dai shi di bao hu xing dong ji hua: China national offshore & coastal wetlands conservation action plan. Beijing: Hai yang chu ban she, 2003.

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Bin hai shi di sheng tai xiu fu li lun yu ji shu: Jin zhan yu zhan wang. Beijing Shi: Hai yang chu ban she, 2011.

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Turner, R. E. Approaches to coastal wetlands restoration: Northern Gulf of Mexico. The Hague: SPB Academic Publishing, 2002.

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Louisiana. Coastal Wetlands Conservation and Restoration Task Force. Coast 2050: Toward a sustainable coastal Louisiana : report of the Louisiana Coastal Wetlands Conservation and Restoration Task Force and the Wetlands Conservation and Restoration Authority. The appendices. Baton Rouge, La: Louisiana Dept. of Natural Resources, 1999.

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Book chapters on the topic "Wetland conservation Restoration ecology"

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Galatowitsch, Susan M., and Joy B. Zedler. "9. Wetland Restoration." In Ecology of Freshwater and Estuarine Wetlands, edited by Darold P. Batzer and Rebecca R. Sharitz, 225–60. Berkeley: University of California Press, 2019. http://dx.doi.org/10.1525/9780520959118-011.

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Bakker, Jan P. "Vegetation Conservation, Management and Restoration." In Vegetation Ecology, 425–54. Oxford, UK: John Wiley & Sons, Ltd, 2013. http://dx.doi.org/10.1002/9781118452592.ch14.

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Van Slobbe, Erik, E. Dick Morris, Niels Röling, Reinder Torenbeek, Koen Broker, and Hero Heering. "Social Learning in Wetland Development." In Wetlands: Functioning, Biodiversity Conservation, and Restoration, 269–83. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/978-3-540-33189-6_12.

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Denny, P. "Wetland use and conservation." In Wetlands of the world: Inventory, ecology and management Volume I, 111–28. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-015-8212-4_5.

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Saenger, Peter. "Mangrove Silviculture and Restoration." In Mangrove Ecology, Silviculture and Conservation, 229–70. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-015-9962-7_8.

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Zedler, Joy. "Replacing Endangered Species Habitat: The Acid Test of Wetland Ecology." In Conservation Biology, 364–79. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-6051-7_15.

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Zedler, Joy. "Replacing Endangered Species Habitat: The Acid Test of Wetland Ecology." In Conservation Biology, 364–79. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4757-2880-4_15.

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Bobbink, Roland, Dennis F. Whigham, Boudewijn Beltman, and Jos T. A. Verhoeven. "Wetland Functioning in Relation to Biodiversity Conservation and Restoration." In Wetlands: Functioning, Biodiversity Conservation, and Restoration, 1–12. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/978-3-540-33189-6_1.

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Jain, S. K. "B: Heavy metal tolerance, plant evolution and restoration ecology." In Conservation Genetics, 407–10. Basel: Birkhäuser Basel, 1994. http://dx.doi.org/10.1007/978-3-0348-8510-2_33.

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Pattnaik, Ajit Kumar, and Ritesh Kumar. "Lake Chilika (India): Ecological Restoration and Adaptive Management for Conservation and Wise Use." In The Wetland Book, 1–7. Dordrecht: Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-007-6173-5_177-2.

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Conference papers on the topic "Wetland conservation Restoration ecology"

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Logan, Lauren H., Nancy C. Emery, and Ashlynn S. Stillwell. "The Science Not Yet Behind Wetland Policy: Ecology, Hydrology, Public Perception, and Conservation." In World Environmental and Water Resources Congress 2014. Reston, VA: American Society of Civil Engineers, 2014. http://dx.doi.org/10.1061/9780784413548.206.

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Ikonen, Iiro, Jari Ilmonen, and Pauliina Louhi. "FRESHABIT: The LIFE integrated project for restoration of wetland ecosystems at the catchment level." In 5th European Congress of Conservation Biology. Jyväskylä: Jyvaskyla University Open Science Centre, 2018. http://dx.doi.org/10.17011/conference/eccb2018/107446.

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Venegas-Anaya, Miryam, Stephany Del Rosario R., Maria A. Venegas, Melciellyne Aguilar M., Yairen Alonso J., Betzaida I. Rivera, and Armando H. Escobedo-Galvan. "Geomatics in Conservation: Habitat Status and Population Ecology of Crocodiles and Alligators of the Gulf of Montijo Wetland, Panama." In 2019 7th International Engineering, Sciences and Technology Conference (IESTEC). IEEE, 2019. http://dx.doi.org/10.1109/iestec46403.2019.00029.

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Soulopoulou, Polyxeni, Juan Marco Molina, Maria Padilla Blanco, and Petros Damos. "Interrelationship between Environmental Drivers and Avian Biodiversity in a Mediterranean Like Natura 2000 Wetland and Implications for Conservation Management <sup>†</sup>." In 1st International Electronic Conference on Biological Diversity, Ecology and Evolution. Basel, Switzerland: MDPI, 2021. http://dx.doi.org/10.3390/bdee2021-09488.

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SÂRBU, Daniela, Mihaela DULĂU, Stelian STĂNESCU, Ileana TĂNASE, and Marinela MOLDOVEANU. "Identification and Evaluation of Potential Floodplain Areas Using the Floodplain Evaluation Matrix - Romanian Case Study." In Air and Water – Components of the Environment 2021 Conference Proceedings. Casa Cărţii de Ştiinţă, 2021. http://dx.doi.org/10.24193/awc2021_10.

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A large number of floodplains got lost due to settlements, infrastructure and agriculture. The reconnection of floodplains plays a significant role considering water retention potential and other aspects such as biodiversity conservation, improvement of water status and river morphology. The delineation and evaluation of potential floodplains and their reconnection capacity require the consideration of the multiple parameters to characterize the effectiveness of floodplains in terms of hydrology/hydraulics, ecology and sociology. In order to delineate floodable area within the lower part of the Desnatui river an unsteady 1D hydrodynamic model has been built up and calibrated, using HEC-RAS software. The Floodplain Evaluation Matrix tool has been applied taking into account the following categories of parameters: hydrology (peak reduction ΔQ, flood wave translation Δt), hydraulics (water level Δh), ecology (connectivity of floodplain water bodies, existence of protected species) and socio-economics (potentially affected buildings, land use). The results showed that identified floodplain areas have high demand for restoration.
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