Bio-diverse areas

Xem 1-20 trên 83 kết quả Bio-diverse areas
  • Some main geographical characteristics of Vietnam: -Vietnam extends more than 1,650 km from north to south, it’s altitude varies from sea level to a maximum of 3,143 m. -Three quarter of Vietnam is hilly or mountainous. Forest cover is about 12.3 million ha (over 37 % of the total land area of the country).

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  • Major decisions were made in the areas of integrating biodiversity into poverty eradication and development, scientifi c and technical cooperation, technology transfer and cooperation, gender mainstreaming, public awareness, business engagement, South-South cooperation, participation of local governments

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  • ASEAN occupies only 3 percent of the world’s total land area, but 18 percent of the plants and animals assessed by the IUCN live in its mountains, jungles, rivers, lakes and seas. Biodiversity is our source of food, medicine, shelter, clothing and livelihood.

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  • This issue features some articles and reports about ASEAN Heritage Parks and other protected areas, their importance to the conservation and sustainable use of biodiversity resources of Southeast Asia (SEA), and the issues and threats that need to be addressed.

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  • The study was conducted to evaluate the current status and biodiversity value of the main ecosystems, to identify important areas for conservation, and to identify the main challenges of biodiversity conservation in Hai Duong.

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  • This paper presents the study on valuation of non use values of the Can Gio mangrove biosphere reserve, Ho Chi Minh City. The results show that the non use value of the study area is approximately VND 105 billion per year. The paper also shows the recommendations for managers, policy-makers and researchers in the conservation and sustainable use of resources’s Can Gio mangrove ecosystem in the context of climate change and sea level rise.

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  • In the present study, we explored the interaction between different water types and tintinnid diversity and composition in Khanh Hoa - Binh Thuan waters during the southwest monsoon period. This study represents the first detailed account of the distribution and diversity of tintinnids from this area, especially in offshore waters and thus addresses the gap in knowledge oftintinnid taxonomy and ecology in this waters.

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  • Karnali watershed area is very sensitive and need of scientific management of highland grasslands which are rich in number of plants and animal species that have significant role and contribution in national economy and ecology. However, these grass lands are in threat and exist in their natural state within protected areas as neighboring grasslands and forest habitats have been rapidly degraded.

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  • Hot-spot biodiversity is a concentrated site of high species diversity, high species endemicity, and habitat uniqueness. Biodiversity disperses unevenly across the global, regional and regional scope. Hot-spot biodiversity developed into an approach to assessing the concentration of biodiversity at certain limits. The biodiversity hot-spot approach is conducted using indicator species such as bird species that are used as ecotourism development for sustainable forest exploitation.

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  • This study was conducted to enhance the understanding of phytoplankton diversity of Duyen Hai town, Tra Vinh province. We selected 12 representative sampling sites and investigated phytoplankton diversity in both dry and rainy seasons. The phytoplankton of this area were comprised of 134 species, belonging to 64 genera, 45 families, 31 orders, 8 classes and 5 divisions. Among those divisions, Bacillariophyta was the most dominant in species, accounting for 70% of the total number of species and Cyanobacteria commonly had high density at 12 surveyed sites.

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  • The present study highlights the lichens, bryophytes species collected from the Lambasingi area. It is a small village in Chinthapally mandal, Vishakapatnam district, A.P., India. One hundred and twenty one species belonging to 16 genera 11 families were identified and presented. Most of them are foliose, crustose, leprose and bryophytes.

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  • Since the first desktop computers emerged in the late 1970s and early 1980s, the power, speed and storage capacity has increased radically, especially in recent years. Indeed, the whole approach to computing and database management has shifted from the independent researcher keeping records for a particular project to state-of-the-art file storage systems, presentation and distribution over the World Wide Web.

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  • As rates of deforestation and land degradation, and losses of biodiversity and ecosystem services, continue to rise globally, the international community is faced with the challenge of finding land use interventions that can mitigate or reduce the impact of these environmental issues. Agroforestry, the integration of trees in farming systems, has the potential for providing rural livelihoods and habitats for species outside formally protected lands, connecting nature reserves, and alleviating resourceuse pressure on conservation areas.

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  • They clam approximately 500 species, widely distributed in coastal intertidal zone of tropical temperate countries. Our country has about 40 species of 7 breed groups, distributed along the coast from north to south. Northern coastal areas have clam oil (Meretrix lime), clam password (Meretrix llusoria Rumplius). Southern coastal areas have clam (Meretrix lyrata Sowerby). Clams are mollusks team has great potential in the tide country. Culture technique is not complicated, short cycle, investment less valuable export.

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  • The heat radiation from gas flaring greatly affects the surrounding environment and particular crops planted within the vicinity of gas flare stations (Abdulkareem and Odigure, 2002). It also has a devastating effect on microorganisms and aquatic life. Heat radiation from gas flaring also causes an increase in heat waves hence there is the possibility that habitants of Niger-Delta Area, where the gas flaring stations are located will suffer heart stroke, heart attacks and other ailments aggravated by the heat (Odigure et al., 2003).

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  • This book is about the conservation of genetic diversity of wild plants in situ in their natural surroundings, primarily in existing protected areas but also outside conventional protected areas. A lot of effort has been dedicated to conserving plant biodiversity, but most of this has focused on rare plant communities or individual species threatened with extinction.

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  • In 1998, international bird conservation groups focused attention on the site after rediscovery of Edward’s Pheasant (Lophura edwardsi) in these hills, a fowl thought extinct. Today the site is part of a government forest strategy to create a system of 2 million ha of special use forest (national parks, nature reserves and historical sites) throughout the country and it is listed as one of the sites destined to become a nature reserve (41,548 ha) in 2010 (Barney 2005).

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  • Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí sinh học thế giới đề tài: Biodiversity of pig breeds from China and Europe estimated from pooled DNA samples: differences in microsatellite variation between two areas of domestication

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  • This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1980 edition. Excerpt: ...( Dodson and Gentry, 1978; Gentry, 1978). More than 50 new species of higher plants have been described during the past few years from the Rio Palenque station (1.7 km2), one of the few remaining areas of tropical moist forest in western Ecuador. The study of this forest should be pushed on as vigorously as possible.

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  • The concept of marine reserves has been repeatedly addressed in the past 25 years, but implementation and subsequent evaluation of these protected areas has been relatively infrequent until the past decade. In recent years, there has been strong advocacy for reserves among the conservation community and those concerned about losses of habitat and biodiversity in the sea.

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