Search results for "Protected area"
showing 10 items of 180 documents
Evaluating the importance of Marine Protected Areas for the conservation of hawksbill turtles Eretmochelys imbricata nesting in the Dominican Republic
2015
Understanding spatial and temporal habitat-use patterns to protect both foraging and breeding grounds of species of concern is crucial for successful conservation. Saona Island in Del Este National Park (DENP), south-eastern Dominican Republic (DR), hosts the only major hawksbill (Eretmochelys imbricata) nesting area in the DR (100 nests yr �1 , SD = 8.4, range = 93�111), with the population having been critically reduced through hunting. We satellite tracked 9 female hawksbill turtles, and present analyses of their core-use areas with respect to Marine Protected Areas (MPAs) in both their internesting and foraging areas. Kernel utilization distribu- tions indicated that during the internes…
Long-term decrease in sex-specific natural mortality of European lobster within a marine protected area
2013
Marine protected areas (MPAs) and marine reserves hold promise as tools for nature conservation and fisheries management, but data on long-term demographic effects are still sparse. Here, we use a unique capture-mark-recapture data set from Kavra, an MPA on the west coast of Sweden where fishing for European lobster Homarus gammarus has been banned since 1989, to directly quantify annual survival probabilities in the absence of harvest mortality. The non-migratory behaviour of this species allowed multiple recaptures and releases of a large num- ber of individuals within the MPA. We found strong evidence for a long-term decrease in sex - specific natural mortality throughout the study perio…
A review of methods to assess connectivity and dispersal between fish populations in the Mediterranean Sea
2013
Fish populations are linked to each other via dispersal of individuals as eggs, larvae, juveniles or adults. The understanding of this process, known as connectivity, has a pivotal role for the management of overexploited fish stocks and the development of accurate conservation strategies. Knowledge on connectivity and fish movements is considered fundamental toward the correct design of marine protected area (MPA) networks for the achievement of the benefits of protection. Connectivity patterns are still largely unknown worldwide. A general lack of knowledge is particularly evident for the Mediterranean Sea where few studies dealing with this topic have been carried out and some methods, c…
More wood but less biodiversity in forests in Finland: a historical evaluation
2022
National forest inventories (NFI) in Finland provide empirical evidence for a marked increase in tree growth, total forest area, and total timber volume over the past century. Meanwhile, the assessments of threatened forest species and habitats indicate continuous degradation of biodiversity in Finnish forests. To shed light on this seeming paradox, we summarized the temporal patterns of forest characteristics (indicators) that have major influence on biodiversity, comparing the structure of current Finnish forests with natural and historical references. Using a variety of data sources, we estimated the proportion of area of old-growth forest and of deciduous-dominated forests, the density …
A review of the assessment of the effects of protection in MPAs: current knowledge and gaps
2007
Trophic cascades in benthic marine ecosystems: lessons for fisheries and protected-area management
2000
An important principle of environmental science is that changes in single components of systems are likely to have consequences elsewhere in the same systems. In the sea, food web data are one of the few foundations for predicting such indirect effects, whether of fishery exploitation or following recovery in marine protected areas (MPAs). We review the available literature on one type of indirect interaction in benthic marine ecosystems, namely trophic cascades, which involve three or more trophic levels connected by predation. Because many indirect effects have been revealed through fishery exploitation, in some cases we include humans as trophic levels. Our purpose is to establish how wi…
Synthesis of Lessons Learned. Enhancing Equity in the Relationship between Protected Areas and Local Communities in the Context of Global Change. Hor…
2003
This study is a review of the engagement of local communities in the management of natural resources in the Horn of Africa and Kenya, with the objective to contribute to enhancing equity in the relationship of local communities with protected areas.
La laguna opaca. Gestión y gobernanza del agua en l’Albufera de València (España)
2019
International audience; The Albufera de Valencia is a complex anthropogenic waterscape, constructed by different social groups over centuries. Today water management in the protected wetland remains opaque, much like the water in the eutrophic lagoon. Four major organiza-tions manage this natural heritage, which remains torn between nature conservation and rice growing, in a jigsaw of overlap-ping jurisdictions and crisscrossed visions. Water management in this socioecological-system is complex and contested, and takes place within a changing scenario due to recent variations in the water quality and quantity budgets. This paper analyses this changing socio-ecological system based on interv…
Complex effects of natural disasters on protected areas
2022
It is now broadly recognised that in order to be sustainable, protected areas (PAs) must bring concrete benefits to local populations who suffer from the restrictions imposed for conservation. Natural disasters, such as major floods, bring additional challenges to conservation efforts and related support activities, notably nature-based tourism. Disasters often intensify conflicts between conservation objectives and local community needs, but they may also bring some mutual benefits. Reduced income from decreased nature-based tourism can, for example, lead to expansion of agricultural fields to protected forests, and subsequent land-use conflicts. Yet, disasters can also strengthen feelings…
Assessing tolerance for wildlife: human-elephant conflict in Chimanimani, Mozambique
2020
Human–elephant conflict (HEC) is a common problem for rural populations in sub-Saharan Africa. Recent studies have shown that willingness to tolerate wildlife is largely a function of perceived risks and benefits, but most technical assessments are limited to the immediate cause of the conflict and neglect the broader socioeconomic and political contexts. Based on two sets of interviews, this article provides a socioeconomic analysis of HEC in the buffer zone of Chimanimani National Reserve in Mozambique. Although traditional methods to scare off elephants were found to have little effect, a beehive fence introduced in 2016 initially appeared to be successful. However, follow-up three years…