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| Registros recuperados: 21 | |
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| Ray, Lily A; Department of Geography, Clark University; Resilience and Adaptation Program, University of Alaska, Fairbanks ; lray@kawerak.org; Kolden, Crystal A; Department of Geography, University of Idaho; ckolden@uidaho.edu; Chapin III, F. Stuart; Institute of Arctic Biology, University of Alaska, Fairbanks ; terry.chapin@alaska.edu. |
| Sustainability science promotes place-based resource management because natural processes vary among ecosystems. When local science is limited, land managers may be forced to generalize from other ecosystems that function differently. One proposed solution is to draw upon the traditional ecological knowledge that indigenous groups have accumulated through resource use. Integrating traditional ecological knowledge with conventional resource management is difficult, especially when the two offer competing explanations of local environments. Although resource managers may discount traditional ecological knowledge that contradicts conventional resource management, we investigate the possibility that these disagreements can arise when nonlocal resource... |
| Tipo: Peer-Reviewed Reports |
Palavras-chave: Alaska; Climate change; Indigenous knowledge; Traditional ecological knowledge; Wildfire. |
| Ano: 2012 |
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| Robinson, George; University at Albany, State University of New York; grobins@csc.albany.edu; Zappieri, Jeffrey; NYS Department of State, Division of Coastal Resources; jjamzip@superior.net. |
| A 50-yr precedent was reversed in 1995 when, following a powerful windstorm, salvage logging was disallowed in the protected Adirondack Park State Forest Preserve of New York, United States. Damage from a similar windstorm in 1950 had provoked massive salvage operations, approved by the New York State legislature on the grounds of fire prevention and resource conservation. Following the 1995 storm, state conservation officers and consulting ecologists were prepared with up-to-date assessment tools and a theoretical framework that treated large disturbances as normal ecosystem processes; the executive branch acted in accord with their recommendations to forgo salvage. Prior to these events in New York State, federal forest preserves in western states had... |
| Tipo: Peer-Reviewed Reports |
Palavras-chave: Adirondack Park; Forest disturbance; Forest health legislation; Public land use; Salvage logging; Science and public policy; Wildfire; Windstorm.. |
| Ano: 1999 |
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| Jaski,Jonas Marcelo; Telaxka,Fabio Junior; Moura,Gabriela Silva; Franzener,Gilmar. |
| ABSTRACT: The aim of this study was to evaluate the ethanolic extract of green propolis (EEP) in the protection of common bean plants against two main bacterial cultures, bacterial blight (Xanthomonas axonopodis pv. phaseoli) and wildfire (Pseudomonas syringae pv. tabaci). Experiments on antimicrobial activity were performed, inducing phytoalexins, defense-related enzymes, and disease severity, under concentrations of 0, 0.5, 1.0, 2.5, and 5.0%. The EEP presented antimicrobial activity on both phytobacteria, causing a decrease in their development. It has also promoted a linear accumulation of phaseolin in bean hypocotyls according to the EEP concentration used. There was a reduction in the lesion area, which was caused by bacterial blight on bean leaves... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Alternative control; Wildfire; Bacterial blight; Resistance induction. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019000600151 |
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| SILVA,PAULO R.D. DA; STEFENON,VALDIR M.. |
| The plant species occurring in the savanna region of the Cerrado biome in Brazil present typical morphological and physiological adaptations to a dry climate with seasonal occurrence of wildfires. In this study, the histological features of the root system, the main sites of synthesis and storage of starch and the initial phases of the bud development were characterized inJacaranda ulei. The anatomical features observed in the root system of J. ulei are related to the needs of the species to survive in the Cerrado. The histochemical analyses demonstrated high synthesis of glucose and glycoprotein after the third day of in vitro culture, in the proximal cells of the cortical parenchyma of the exoderm. Meristematic primordia were observed in the ninth day... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cerrado Biome; Histology; Savanna; Wildfire. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652014000100271 |
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| Reis,Simone Matias; Lenza,Eddie; Marimon,Beatriz Schwantes; Gomes,Letícia; Forsthofer,Mônica; Morandi,Paulo Sérgio; Marimon Junior,Ben Hur; Feldpausch,Ted R.; Elias,Fernando. |
| ABSTRACTFire can change the species composition, diversity, and structure of savanna vegetation, thus altering growth and mortality rates. Such changes in the woody vegetation of burned savanna forest were evaluated over four years in comparison to unburned savanna forest. All woody plants with a diameter at breast height > 10 cm were measured in 100 permanent plots. Six months later, 38 of these plots were burned. Three and a half years later, all surviving individuals were re-sampled. Species richness, diversity, and the number of individuals did not change in the burned plots, although they had significantly higher (p < 0.05) increases in basal area and mortality rates (5.1% year-1) than the unburned plots (3.0% year-1).Tachigali vulgarishad the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Conservation; Land-use change; Mortality; Structural and floristic changes; Wildfire. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062015000300408 |
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| Abrams, Jesse B; Ecosystem Workforce Program, Institute for a Sustainable Environment, University of Oregon; jabrams@uoregon.edu; Knapp, Melanie; U.S. Institute for Environmental Conflict Resolution, Morris K. Udall and Stewart L. Udall Foundation; previous: Ecosystem Workforce Program, Institute for a Sustainable Environment, University of Oregon; knapp@udall.gov; Paveglio, Travis B; Department Of Natural Resources and Society, University of Idaho; tpaveglio@uidaho.edu; Ellison, Autumn; Ecosystem Workforce Program, Institute for a Sustainable Environment, University of Oregon; autumne@uoregon.edu; Moseley, Cassandra; Ecosystem Workforce Program, Institute for a Sustainable Environment, University of Oregon; cmoseley@uoregon.edu; Nielsen-Pincus, Max; Department of Environmental Science and Management, Portland State University; maxnp@pdx.edu; Carroll, Matthew S; School of the Environment, Washington State University; carroll@wsu.edu. |
| Prompted by a series of increasingly destructive, expensive, and highly visible wildfire crises in human communities across the globe, a robust body of scholarship has emerged to theorize, conceptualize, and measure community-level resilience to wildfires. To date, however, insufficient consideration has been given to wildfire resilience as a process of adaptive governance mediated by institutions at multiple scales. Here we explore the possibilities for addressing this gap through an analysis of wildfire resilience among wildland-urban interface communities in the western region of the United States. We re-engage important but overlooked components of social-ecological system resilience by situating rural communities within their state- to national-level... |
| Tipo: Peer-Reviewed Reports |
Palavras-chave: Disaster resilience; Institutions; Learning; Scale-matching; Wildfire; Wildland-urban interface. |
| Ano: 2015 |
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| Syphard, Alexandra D.; Conservation Biology Institute; asyphard@yahoo.com; Butsic, Van; Department of Environmental Science, Policy and Management, University of California Berkeley; vanbutsic@berkeley.edu; Bar-Massada, Avi; Department of Biology and Environment, University of Haifa at Oranim; barmassada@gmail.com; Keeley, Jon E.; U.S. Geological Survey, Western Ecological Research Center, Sequoia-Kings Canyon Field Station, Three Rivers, California; jon_keeley@usgs.gov; Tracey, Jeff A.; Western Ecological Research Center, U.S. Geological Survey, San Diego Field Station, San Diego, California; jatracey@usgs.gov; Fisher, Robert N.; Western Ecological Research Center, U.S. Geological Survey, San Diego Field Station, San Diego, California; rfisher@usgs.gov. |
| Although wildfire plays an important role in maintaining biodiversity in many ecosystems, fire management to protect human assets is often carried out by different agencies than those tasked for conserving biodiversity. In fact, fire risk reduction and biodiversity conservation are often viewed as competing objectives. Here we explored the role of management through private land conservation and asked whether we could identify private land acquisition strategies that fulfill the mutual objectives of biodiversity conservation and fire risk reduction, or whether the maximization of one objective comes at a detriment to the other. Using a fixed budget and number of homes slated for development, we simulated 20 years of housing growth under alternative... |
| Tipo: Peer-Reviewed Reports |
Palavras-chave: Housing arrangement; Reserve design; Site selection; Southern California; Species richness; Wildfire. |
| Ano: 2016 |
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| WHITE,Benjamin Leonardo Alves. |
| ABSTRACT Wildland fires can be responsible for negative impacts on the environment, causing damage to the fauna and flora and increasing the release of greenhouse gases. In the state of Amazonas, wildland fires represent a risk for biodiversity conservation, since more than 95% of the state is covered by Amazon rainforest, one of the largest and most biodiverse tropical forests of the world. This study aimed to analyze the spatiotemporal variation of fire occurrence from 2003 to 2016 in the state of Amazonas, based on data from the AQUA satellite processed by the Brazilian National Institute for Space Research, using the “Collection 5” detection algorithm. The correlation between fire incidence versus anthropogenic and climatic variables was also tested. A... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Hot spots; Fire prevention; Wildfire; Remote sensing. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672018000400358 |
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| Desclaux, Terence; Lemonnier, Hugues; Genthon, Pierre; Soulard, Benoit; Le Gendre, Romain. |
| The GR4H lumped hourly rainfall–runoff model was assessed for its integration in a ridge-to-reef modelling framework. Particular attention was paid to rainfall representation, robustness of parameter estimates and ability to reproduce main runoff features. The study was conducted in four tropical mountainous watersheds in New Caledonia, exposed to intense rainfall events, large annual climatic variations triggered by El Niño oscillation, and wildfires. The inverse distance and elevation weighting algorithm outperformed other classical rainfall interpolation methods under data-limited conditions. The time-span of data needed for robust calibration was site-specific and varied from 6–7 years to 10 years, which may be linked to El Niño events and to... |
| Tipo: Text |
Palavras-chave: Hydrological model; Ridge-to-reef; GR4H; Rainfall-runoff model; Integrated modelling; New Caledonia; Lagoon; Wildfire. |
| Ano: 2018 |
URL: https://archimer.ifremer.fr/doc/00455/56681/58466.pdf |
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| Huntington, Henry P; Huntington Consulting; hph@alaska.net; Trainor, Sarah F; University of Alaska Fairbanks; fnsft@uaf.edu; Natcher, David C; Department of Anthropology, Memorial University of Newfoundland; dnatcher@mun.ca; Huntington, Orville H; Alaska Native Science Commission; o.huntington@att.net; DeWilde, La'ona; Yukon River Intertribal Watershed Council;; Chapin III, F. Stuart; University of Alaska Fairbanks; terry.chapin@uaf.edu. |
| Community workshops are widely used tools for collaborative research on social-ecological resilience in indigenous communities. Although results have been reported in many publications, few have reflected explicitly on the workshop itself, and specifically on understanding what is said during a workshop. Drawing on experience from workshops held in Huslia, Alaska in 2004 on wildfire and climate change, we discuss the importance of considering cultural, political, and epistemological context when analyzing statements made by indigenous people in community workshops. We provide examples of statements whose meaning and intent were, and may remain, unclear, with descriptions of our attempts to understand what was being said by placing the statements in a... |
| Tipo: Peer-Reviewed Insight |
Palavras-chave: Alaska; Cross-cultural communication; Indigenous knowledge; Wildfire; Workshops.. |
| Ano: 2006 |
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| Diniz,Milena F.; Brito,Daniel. |
| Urbanization poses a serious threat to wildlife populations inhabiting native vegetation remnants surrounded by the expanding urban and suburban sprawl. The close contact with human activities causes not only direct impacts, such as habitat loss, but also indirect negative effects, such as population isolation, roadkills and anthropogenic fires. The Parque Nacional de Brasília is a large Cerrado remnant almost completely surrounded by the city of Brasília, in central Brazil. Here, we use population viability analysis to model the impacts of urbanization on a population of Myrmecophaga tridactyla (Linnaeus, 1758) inhabiting that park. Our results show that roadkill mortality is by far the most serious threat to the long-term persistence of the giant... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Extinction; Inbreeding; PVA; Roadkill; Wildfire. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000200005 |
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| Registros recuperados: 21 | |
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