Freshwater biodiversity conservation: recent progress and future challenges
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Freshwater habitats occupy <1% of the Earth's surface, yet are hotspots that support ∼10% of all known species, and ∼⅓ of vertebrate species. Fresh waters also are hotspots for human activities that have led to widespread habitat degradation, pollution, flow regulation and water extraction, fisheries overexploitation, and alien species introductions. These impacts have caused severe declines in the range and abundance of many freshwater species, so that they are now far more imperiled than their marine or terrestrial counterparts. Here, we review progress in conservation of freshwater biodiversity, with a focus on the period since 1986, and outline key challenges for the future. Driven by rising conservation concerns, freshwater ecologists have conducted a great deal of research over the past 25 y on the status, trends, autecology, and propagation of imperiled species, threats to these species, the consequences of biodiversity loss for ecosystem functioning, metapopulation dynamics, biodiversity hotspots, reserve design, habitat restoration, communication with stakeholders, and weaknesses of protective legislation. Nevertheless, existing efforts might be insufficient to stem the ongoing and coming multitude of freshwater extinctions. We briefly discuss 4 important challenges for freshwater conservation. First, climate change will imperil both freshwater species and human uses of fresh water, driving engineering responses that will further threaten the freshwater biota. We need to anticipate both ecological and human responses to climate change, and to encourage rational and deliberate planning of engineering responses to climate change before disasters strike. Second, because freshwater extinctions are already well underway, freshwater conservationists must be prepared to act now to prevent further losses, even if our knowledge is incomplete, and engage more effectively with other stakeholders. Third, we need to bridge the gap between freshwater ecology and conservation biology. Fourth, we suggest that scientific societies and scholarly journals concerned with limnology or freshwater sciences need to improve their historically poor record in publishing important papers and influencing practice in conservation ecology. Failure to meet these challenges will lead to the extinction or impoverishment of the very subjects of our research.Global biodiversity
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The protection of biological diversity (hereafter biodiversity) is considered one of the fundamental goals for the sustainable management of ecological systems. This paper examines how existing levels of biodiversity influence ecosystem capabilities at the local level. Specifically, it tests the effects of biodiversity and the degree of threat to biodiversity on the quality of local comprehensive plans in Florida as measured by the ability to manage ecosystems. Regression analysis indicates that high biodiversity does not stimulate planners to adopt higher quality plans. Instead, human disturbance or threats to existing levels of biodiversity are the most significant factors in driving ecosystem plan quality. Based on the results, the paper discusses implications for policy and suggests recommendations to improve proactive planning practices associated with managing ecological systems over the long term.
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The complex environment grown rich biodiversity in Guangxi, the rule and position of the biodiversity are irreplaceable, and have the values of conservation in the world. The biodiversity in Guangxi is facing the threat due to many factors,and the conservation work in very hard. Based on the experiences of many years in nature conservation, the author presents the current status of biodiversity in Guangxi, and the suggestion on conservation aimed at more understanding the biodiversity in Guangxi, and giving the wide support and attention on the biodiversity to play its world signficance.
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Biodiversity is the important material foundation and guarantee for human being′s survival and development. Jinfo Mountain Nature Reserve is a typical karst area, where there are plentiful biological resources. The current status of biodiversity and the problems about biodiversity conservation are discussed. Some suggestions are put forward: 1) combining conservation with development, raising money for biodiversity conservation through developing ecotourism; 2) harmonizing the relationship between different management departments; 3) strengthening scientific research work to support biodiversity conservation.
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Conservation Biology
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Abstract Indicators of biodiversity protection at the national level are used to assess progress toward global goals. However, they provide little information at scales relevant for conservation and management. Hence we provide an area-based alternative to the current indicator calculated at the level of individual mountain ranges, which is directly relevant for assessing progress toward SDG 15.4.1. This allows identifying mountain areas in need of enhanced conservation efforts, within and across countries.
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The need to conserve the worlds’ biodiversity is no longer a controversial issue. However, the question of how to conserve biodiversity is a pressing issue. The evidence of this is seen in the continued loss of biodiversity, especially in the rich biodiversity countries of the world, despite the efforts by many governments and non-governmental or-ganizations and individuals. Similarly, the need for coun-tries to develop is not an issue but which types of develop-ment and how development is implemented are important issues. So how do we arrive at successfully conserving biodiversity and achieve appropriate development pro-grams? This paper presents local traditional knowledge as the neglected key to successful biodiversity conservation as well as appropriate development programs. Successful biodiversity conservation and the implementation of ap-propriate development programs, it is suggested, may be ccomplished by consciously targeting and harnessing lo-cal traditional knowledge. The effectiveness is based on the various relationships that exist between people of di-verse cultures and the other elements of biodiversity in their respective areas.
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Global biodiversity-related conventions have positively influenced nature conservation in Vietnam. Adherence to international policies and strategies is one of the critical motivations for reducing biodiversity loss. As highlighted in Aichi Target 11, protected areas are central for this effort and Vietnam is not an exception. In this study we reflect on and suggest how this Target can be most effectively pursued in Vietnam. Of which, besides remaining the status of special-use forests, uplifting protection forests, especially focusing on forest areas which are in rich biodiversity condition, to special-use forests category should be a priority.
Global biodiversity
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This chapter contains sections titled: Objectives for This Chapter Introduction Defining Biodiversity The Economic Value of Biodiversity Threats to Biodiversity Efforts to Preserve Biodiversity Tools for Wildlife Conservation The Field of Conservation Medicine Discussion Points
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Conservation Biology
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Recently definite request on biodiversity species conservation and construction in cities has been proposed by the Ministry of Construction,but studies on biodiversity species of urban green space are relative new tasks.Consevation planning in species biodiversity,genetic biodiversity,ecosystem and landscape biodiversity were put forward on the basis of analysis and value on plant biodiversity level,conservation situation and threat factors in Yuyao City.
Christian ministry
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