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| Registros recuperados: 14 | |
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| De Wit, Rutger; Leruste, Amandine; Le Fur, Ines; Maki Sy, Mariam; Bec, Beatrice; Ouisse, Vincent; Derolez, Valerie; Rey-valette, Hélène. |
| By the end of the 20th century, many of the coastal lagoons along the French Mediterranean coast showed insufficient water quality and degraded ecosystem states due to anthropogenic impacts. Among these, nutrient over-enrichment, resulting in eutrophication, has been a major concern. The EU Water Framework Directive (WFD) has initiated public action to improve their water quality and ecosystem state using an approach rooted in restoration ecology. Here we analyze how this has been applied for the coastal lagoons in South France, considering eutrophication as an example of ecosystem degradation and oligotrophication as the corresponding trajectory for ecological restoration of the eutrophied coastal lagoons. Oligotrophication trajectories, initiated by the... |
| Tipo: Text |
Palavras-chave: Restoration ecology; Ecological restoration; Water quality; WFD; Ecosystem trajectories; DPSIR; Conservation; Ecological indices. |
| Ano: 2020 |
URL: https://archimer.ifremer.fr/doc/00629/74145/73683.pdf |
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| Qian,J; Wang,Z; Liu,Z; Kuang,W; Busso,CA. |
| Understanding the changes in the total bud bank, and its contribution to community regeneration, in response to grassland enclosure to livestock grazing, is crucial for grassland management. Despite its importance, the contribution of the total bud bank and that of different bud types to community regeneration as a whole have been rarely explored. The vegetative offspring recruited from different bud types was investigated in grasslands having different enclosure durations to livestock grazing on a typical steppe of Inner Mongolia, China. Total vegetative offspring density was significantly higher (p<0.05) under continuous grazing than in fenced grasslands, but no significant changes were found among plots with different enclosure durations to livestock... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Grazing; Bud banks; Vegetative regeneration; Reproduction ecology; Restoration ecology. |
| Ano: 2014 |
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-56572014000200024 |
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| Colado,Maria Luciana Zequim; Reis,Letícia Koutchin; Guerra,Angélica; Ferreira,Bruno Henrique dos Santos; Fonseca,Diego Rezende; Timóteo,Amanda; Gondim,Evânia Xavier; Guerin,Natalia; Garcia,Letícia Couto. |
| ABSTRACT Ecological restoration by direct seeding in the Cerrado biome still lacks information about native species germination, the need for dormancy overcoming and seed bank formation. This study aims to verify the effects of dormancy overcoming on germination of four tree species and the ability of 12 tree species to form seed banks for restoration use. Our results showed wide variation of species’ germination rates. Overcoming dormancy enhanced germination for Dimorphandra mollis, Hymenaea stigonocarpa, and Peltophorum dubium and decreased it for Copaifera langsdorffii, but was only cost-effective for H. stigonocarpa. Regarding the ability to form seed banks, only H. stigonocarpa and Cecropia pachystachya germinated and live seedlings of Terminalia... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Direct sowing; Ecophysiology; Neotropical savanna; Restoration ecology; Seed photoblastism. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062020000400694 |
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| Dawe, Neil K; Canadian Wildlife Service; Neil.Dawe@ec.gc.ca; Bradfield, Gary E; University of British Columbia; garyb@interchange.ubc.ca; Boyd, W. Sean; Canadian Wildlife Service; Sean.Boyd@ec.gc.ca; Trethewey, Donald E. C.; Canadian Wildlife Service;; Zolbrod, A. Nana; University of British Columbia; nzolbrod@hotmail.com. |
| Vegetation changes were monitored over a 13-yr period (1982-1994) in the Campbell River estuary following the development of marshes on four intertidal islands. The marshes were created to mitigate the loss of a natural estuarine marsh resulting from the construction of a dry land log-sorting facility. Plant species coverage was measured along 23 permanent transects in planted and unplanted blocks on the constructed islands, and in naturally occurring low-marsh and mid-to-high marsh reference communities on nearby Nunn’s Island. Five dominant species, Carex lyngbyei, Juncus balticus, Potentilla pacifica, Deschampsia caespitosa, and Eleocharis palustris established successfully and increased in cover in both planted and unplanted areas. The... |
| Tipo: Peer-Reviewed Reports |
Palavras-chave: Adaptive management of ecosystems; Carex lyngbyei; Deschampsia caespitosa; Eleocharis palustris; Estuarine marsh creation; Juncus balticus; Long-term vegetation dynamics; Mitigation cautions; Natural vs. constructed wetlands; Potentilla pacifica; Restoration ecology; Wetland creation. |
| Ano: 2000 |
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| Steinman, Alan; Annis Water Resources Institute, Grand Valley State University; steinmaa@gvsu.edu; Havens, Karl; South Florida Water Management District; khavens@sfwmd.gov; Hornung, Lewis; South Florida Water Management District; lhornun@sfwmd.gov. |
| Resource management decisions often are based on a combination of scientific and political factors. The interaction of science and politics is not always apparent, which makes the decision-making process appear arbitrary at times. In this paper, we present a case study involving Lake Okeechobee, a key environmental resource in South Florida, USA, to illustrate the role that science played in a high-profile, highly contentious natural resource management decision. At issue was whether or not to lower the water level of Lake Okeechobee. Although scientists believed that a managed recession (drawdown) of water level would benefit the lake ecosystem, risks were present because of possible future water shortages and potential environmental impacts to downstream... |
| Tipo: Peer-Reviewed Reports |
Palavras-chave: Aquatic resource management; Environmental management; Lake Okeechobee; Lake restoration; Light and aquatic plants; Restoration ecology; Role of science in management; Submerged aquatic vegetation; Water supply vs. ecological health. |
| Ano: 2002 |
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| Hilário,R.R; Castro,S.A.B; Ker,F.T.O; Fernandes,G. |
| Several degraded areas can be found along the Highway MG-010 that crosses the Espinhaço Mountain Biosphere Reserve in the Brazilian state of Minas Gerais. Restoration by planting the legume Cajanus cajan was implemented in some of these areas. The present study compares plant species richness, diversity, abundance, equitability, similarity, and soil composition between restored and non-restored areas, in an attempt to evaluate the effectiveness of the use of C. cajan in the restoration process in the mountain environment. Each treatment (restored and non-restored) had four sampling areas, each with three 300 m² plots. We counted and identified every individual plant found within these plots. We also collected soil from the superficial layer (0-10 cm) of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Environmental impacts; Restoration ecology; Serra do Cipó; Tropical mountains. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582011000400001 |
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| Registros recuperados: 14 | |
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