975 resultados para Mount Rainier National Park (Agency : U.S.)


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Cette recherche a porté sur quelques enjeux importants liés à la gestion des aires marines protégées (AMP) en Indonésie en examinant comment celles-ci sont en mesure d'adapter leurs politiques afin de mieux répondre à l'évolution des conditions socioéconomiques et écologiques, quels ont été les impacts socioéconomiques de ces aires, et quelles sont les préoccupations environnementales des acteurs locaux dont les moyens de subsistance dépendent des ressources règlementées. Le «livelihoods framework » a servi de guide pour notre analyse des changements socioéconomiques dans la région, tandis que la notion d’« environmentality » d’Agrawal a fourni les bases théoriques pour l'examen de la formation de sujets environnementaux au parc national de Karimunjawa. Cette étude a montré que les changements de politique apportés au plan de la gestion du parc sont un pas dans la bonne direction, mais que les objectifs importants liés sa cogestion n'ont jamais été entièrement réalisés dans la pratique. Les résultats montrent également que d'importants changements socioéconomiques surviennent dans le parc, de nombreux pêcheurs se tournent vers des moyens de subsistance alternatifs, afin de compenser la baisse des prises de poissons. Enfin, cette étude a révélé que d'importants changements positifs dans les préoccupations environnementales sont survenus depuis la modification du zonage du parc, mais que ceux-ci ne se sont pas entièrement traduits en conformité avec les règles et règlements de l'AMP.

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Using a model calibrated to Khao Yai National Park in Thailand, this paper highlights the importance of generating explicitly spatial and temporal data for developing management plans for tropical protected forests. Spatial and temporal cost-benefit analysis should account for the interactions between different land uses – such as the benefits of contiguous areas of preserved land and edge effects – and the realities of villagers living near forests who rely on extracted resources. By taking a temporal perspective, this paper provides a rare empirical assessment of the importance of quasi-option values when determining optimal management plans.

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This chapter presents the range of activities undertaken for the Lefka Ori National Park in Crete, Creece within the frame of INNOVA project which aimed at achieving the following outcomes: -Evaluation of protected area management effectiveness -Introduction to the concept of sustainability in protected area management -Developing of a sustainability monitoring strategy for Lefka Ori -Increase of stakeholder and public awareness, regarding the protected areas threats and values -Enable stakeholder and local community engagement in protected area management

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Information on the breeding biology of the White-headed Vulture Trigonoceps occipitalis is limited and published data are few. Within the Kruger National Park in north-east South Africa there is a regionally important population of about 60 White-headed Vulture pairs, of which 22 pairs were monitored for five years between 2008 and 2012 to determine key aspects of their breeding biology. Across 73 pair/years the mean productivity of 55 breeding attempts was 0.69 chicks per pair. Median egg-laying date across all of the Kruger National Park was 27 June, but northern nests were approximately 30 d later than southern nests. Mean (SD) nearest-neighbour distance was 9 976  7 965 m and inter-nest distances ranged from 1 400 m to more than 20 km, but this did not differ significantly between habitat types. Breeding productivity did not differ significantly between habitat types. The results presented here are the first for this species in Kruger National Park and provide details against which future comparisons can be made.

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The extent of disease caused by Phytophthora cinnamomi was determined within vegetation communities of Wilsons Promontory National Park. Aerial survey of visible symptoms by helicopter and systematic survey along all roads and tracks followed by isolation of the pathogen from soil found that in total 551 ha of moist foothill forest, heath and heathy woodland broad vegetation types were affected by the disease. P. cinnamomi was isolated from 93% of sites that, based on the presence of visible symptoms, were expected to yield the pathogen. The species-rich heathy woodland was most affected with 6.5% of the total area of this type showing symptoms of disease. The size of infestation ranged from 229 ha on the slopes of the Vereker Range in the north to less than 1 ha along the Sealers Cove Walking Track in the south. The potential for disease to spread into uninfested vegetation was estimated for all sites from which P. cinnamomi was isolated. Eight of 18 sites where evidence of disease was found were estimated to have a high potential for further disease spread. This study indicates that even though the disease may be waning in some areas of the Park, the pathogen is active and easily isolated from others and provides a continuing threat to susceptible vegetation communities.

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Dietary samples from four Sooty Owl Tyto tenebricosa roost-sites within one territory in the Royal National Park, Sydney, New South Wales, were collected in December 2005. A total of 144 dietary items was identified, representing eight mammal species and at least one bird species. The samples were compared with those collected during a study 10 years earlier (in 1994-96) that included samples from the same roost-sites. Ten years later, the diet of the Sooty Owl in this territory appears little changed, except that the Sugar Glider Petaurus breviceps is now taken more frequently. The Common Ringtail Possum Pseudocheirus peregrinus continued to be the principal prey species taken by the Owls at this location. The Long-nosed Bandicoot Perameles nasuta may have declined in the Sooty Owl's diet during this period, but this trend was not significant statistically. This study showed that Sooty Owl diet at a single location is relatively stable, despite the occurrence of a major disturbance to habitat caused by a severe wildfire 12 years previously.

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This study is preliminary to ongoing investigations of soil crusts and associated invertebrates in north-west Victoria, focusing on the Little Desert National Park. Ninety quadrats from nine sites were sampled. Eighteen bryophyte species (nine mosses, nine liverworts) were identified within the quadrats. All invertebrates were from the Phylum Arthropoda. Overall abundance and diversity of invertebrates was low. While sampling in the drier months is valuable for observing the dynamics of soil crusts in this region, a more comprehensive assessment of species diversity is gained by sampling
during wetter periods.

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