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1.
Mediterranean monk seal populations have declined dramatically and survive in subpopulations scattered throughout their original distribution. The National Marine Park of Alonnisos, Northern Sporades is the first marine protected Area dedicated to the protection of the species in the Mediterranean. A Monitoring and Awareness Project has been carried out in the area from 1993 to 2000, the results of which have produced a detailed profile of the human usage pattern of the Park and indicated a significant reduction of illegal activities in the area. The pattern of human usage has enabled the monitoring team to adjust their efforts in the Park over time and provided essential baseline data for future management. The combined monitoring and awareness efforts have contributed significantly to the conservation of the Mediterranean monk seal by successfully protecting pupping sites and reducing human-induced mortality of the species in the area.  相似文献   

2.
Shipping traffic poses a worldwide threat to many large whale species. Spatially explicit risk assessments are increasingly being used as a tool to minimize ship-strike risk. These assessments often use static representations of shipping patterns. We used Automatic Identification System data to quantify variability in cargo shipping traffic entering and exiting San Francisco Bay, which contains some of the busiest ports in the United States, at three temporal resolutions: (1) before and after implementation of the California Air Resources Board's Ocean-Going Vessels Fuel Rule, (2) among seasons, and (3) day versus night. We used the nonparametric Mood's Median test to compare median daily distance traveled because the data were not normally distributed and the variance was not homogeneous. Our analyses show that shipping traffic off San Francisco is dynamic at both interannual and daily temporal resolutions, but that traffic was fairly consistent among the seasons considered. Our analyses emphasize the importance of economic and regulatory drivers on interannual shipping traffic patterns. Shipping traffic is expected to continue to change off the U.S. West Coast and to increase globally. These changes in shipping traffic could have implications for the risk of ships striking whales and should be included in risk assessments.  相似文献   

3.
周俊 《水运工程》2013,(4):151-154
遥感(RS)、全球卫星定位系统(GPS)、地理信息系统(GIS)可用于对长江航道工程的全方位监测及分析研究.将RS、GIS、GPS 3种独立技术中的相关部分有机集成起来,形成强大的综合技术体系,可以提供长江大范围岸线、洲滩、水流、泥沙等河流动态变化信息,为“黄金水道”的建设提供全方位、多层次、高精度、适时更新的信息资源,有利于快速准确地从宏观角度把握整治工程对河流变化的影响,为确立经济合理的整治方案提供依据.同时,建立一个综合测绘、监测、研究分析的资源共享信息服务数字平台,将提升长江航道的保障能力和服务水平,为建设“智能航道”提供坚实的信息基础.  相似文献   

4.
基于GIS的舰船技术保障信息管理系统设计   总被引:1,自引:0,他引:1  
针对海军舰船技术保障信息化建设的特点和要求,利用GIS技术、网络数据库技术和计算机多媒体技术设计,开发出基于GIS的舰船技术保障信息管理系统,实现技术保障信息管理的系统化、数字化。  相似文献   

5.
Abstract

Threats to the survival of West Indian manatees (Trichechus manatus) vary throughout their range so that protection of this endangered species requires careful planning on a regional and local basis. The importance and vulnerability of various components of manatee habitats in the Crystal River area of northwestern Florida were assessed, using an ordinal‐combination mapping technique similar to procedures practiced in urban and regional planning. Habitat components were mapped and evaluated in juxtaposition with relevant characteristics of human use of the area, to identify areas of existing and potential manatee/human conflicts in need of reconciliation. Areas evaluated as the most important manatee habitats within this region include Crystal Bay and River, Homosassa River, and the Suwannee River estuary. Existing overlap of human activities with important manatee habitats is most critical near the urban communities of Crystal River and, to a lesser degree, Homosassa Springs. The need for integration of this ecological information into coastal land‐use planning is discussed.  相似文献   

6.
数字测图在地理信息系统中的应用与探讨   总被引:1,自引:0,他引:1  
姜晓晖  朱江  张瑞霞 《水道港口》2007,28(3):227-228
以目前的测图方法和测图软件生产的数字地图要进行大量的编辑工作才能满足GIS对数据的要求,所以测绘工作者应改变传统的数据采集理念,在数字测图野外数据采集和内业成图过程中应充分考虑GIS数据入库的需要,从而生产出既符合规范要求的数字地图,又可较方便地将数字地图转入地理信息数据库。  相似文献   

7.
Effective management of highly biodiverse and threatened reefs requires the identification of human activities driving declines on the particular reef to be managed. The island nation of the Comoros is a model setting to investigate effects of human activities on diverse and threatened coral reefs, with abundant and diverse marine life, local dependence on reef resources, and a variety of anthropogenic pressures on reefs rendering the nation vulnerable to coral reef degradation. Using data from 21 sites throughout the Comoros, we evaluated the relative influence of human activities and other natural and anthropogenic factors on benthic cover and fish richness, abundance, and biomass with the goal of providing prioritized management targets. Human activities including fishing, beach sand extraction, and beachfront housing and development had the strongest relationship with degraded reefs but with some seasonal fluctuation, while geographic patterns most consistently predicted reef degradation across seasons. Comparing analyses conducted with and without human activities as predictors, the inclusion of human activities greatly improved explanatory power. Baseline data on reef biotic composition and localized anthropogenic impacts, monitoring over time, and controlled experiments can facilitate an adaptive management approach for protecting fragile reef ecosystems in the Comoros and elsewhere.  相似文献   

8.
This article provides a brief introduction to the theme issue on “The role of geography in contemporary coastal management policy and practice.” The theme is addressed through a suite of seven articles that collectively consider how geographical understandings and methods relate to contemporary coastal policy and practice. The key theme to emerge from the articles is that geography forms an underlying framework for considering integrated coastal management, largely due to the integrative nature of geography itself.  相似文献   

9.
The Mediterranean area plays a pivotal role within the definition and implementation of regional strategies for integrated coastal zone management (ICZM). Under the umbrella of the Regional Framework Operation BeachMed-e, a research project was carried out in five Mediterranean EU regions (East Macedonia and Thrace in Greece, Lazio, Liguria, and Emilia Romagna in Italy and Languedoc-Roussillon in France), in order to study the different approaches to ICZM that have been applied and also to test new approaches to these regions. The aim of this article is to present and discuss the results of the common surveys conducted in order to investigate the institutional stakeholders’ perception on ICZM in the five Mediterranean regions considered. The results are presented region by region, while comparisons are carried out among regions. Summarizing the results it can be stated that some differences and common problems affecting the coastal decision-makers of the five Mediterranean regions considered were identified. Particularly, stakeholders involved in coastal management generally perceived a lack of collaboration and a poor information exchange in all the regions, resulting sometimes in a lack of awareness on coastal erosion issues.  相似文献   

10.
Abstract

Coastal borderlands are subjected to particular socioeconomic, political and environmental dynamics in Europe and worldwide. The presence of the international boundary in these areas poses challenges in the process of Integrated Coastal Zone Management (ICZM). The aim of this paper is to explore the existence, characteristics and the role that local cross-border cooperation plays in transboundary coastal zone management as well as the resulting potentialities of local endogenous development for improving the management and governance of the tourism sector, coastal development, fisheries and marine protected areas in the Albera Marítima (Northwestern Mediterranean). The applied methods included document review, statistical information and semi-structured interviews. The research shows that local agents are not capable of developing a stable cross-border network due to persisting lack of trust, weak joint strategic vision and high competitiveness in sectors like fishery and tourism. Based on particularly interesting initiatives occurred in Albera Marítima and other successful experiences in Mediterranean coastal borderlands, a proposal has been made to implement several measures, including a transboundary integrated coastal plan, the joint observatory of fishery resources and a scientific network platform. For the aforementioned issues, the study contributes to the ICZM literature by providing a new perspective on local transboundary cooperation.  相似文献   

11.
Abstract

Abstract This case study, prepared by an interdisciplinary group of several scientists and planners and a lawyer, reviews the handling by the decision process of an application to the Baltimore District Corps of Engineers for permission to construct a marina. The study determines that while the project in question may not present a significant environmental threat, the project when considered in conjunction with other pending projects on the same subtributary would contribute to boat congestion and degradation of water quality. Changes in the decision process are suggested which would facilitate consideration of the cumulative impacts from a series of coastal alterations.  相似文献   

12.
Howard Ris 《Coastal management》2013,41(3-4):299-311
Abstract

This paper concerns the limitations on integrating visual management into the coastal zone planning process as exemplified by the Commonwealth of Massachusetts, a state with a strong tradition of “home rule”; and a CZM implementation program based on a “networking”; of existing state authorities. The implications of the Massachusetts experience are that: (a) management of esthetic resources at the state level continues to be much less of a priority than management of ecological resources such as wetlands or floodplains; (b) visual management has yet to engender a strongly supportive constituency beyond that concerned with historic preservation; (c) project review focusing on visual impacts may be a more appropriate activity for local rather than state government; and (d) the technical aspects of visual management or impact assessment are far more advanced than their political acceptability. Political realities, together with the decision that implementation of the program should be based on a networking of existing authorities, thus determined the degree to which visual management could be incorporated into the state's program. As a result, the program's principal instruments of visual management became a strengthening of existing programs such as Wild and Scenic Rivers, reliance on wetland protection statutes to indirectly protect natural scenic values, and the use of the federal consistency provisions of the Coastal Zone Management Act to foster focused growth patterns through provision of publicly funded infrastructures. Esthetically oriented project review, with the exception of potential impacts on historic sites, was left to the discretion of local government, and a technical assistance program was created to provide funding or professional skills to communities interested in developing their own esthetic controls or design review processes. Maine, Rhode Island, and other New England states have followed a similar course.  相似文献   

13.
Coastal areas are under increasing pressure driven by demands for coastal space, primarily though population growth, in migration and the need for space for socioeconomic activities. The pressures and associated changes to the coastal environment need to be managed to ensure long-term sustainability. South Africa has enacted an Integrated Coastal Management Act (ICM Act) to facilitate dedicated management of its coastal environment. The implementation has been met with a number of challenges, primarily relating to financial and human capacity constraints, particularly at the local government level. Given that the ICM Act devolves powers to local government, it is imperative that implementation challenges be addressed. This paper focuses on KwaZulu-Natal, one of four South African coastal regions, which is a renowned tourist destination and home to 11.1 million people (Statistics South Africa 2015 Statistics South Africa. 2015. Mid-Year Population Estimates. Statistical release P0302. Pretoria, South Africa: Statistics South Africa. [Google Scholar]). This paper considers the state of coastal management, as well as implementation challenges being experienced at a local governance level, and highlights ways to address these. Data were acquired through questionnaire surveys and semistructured interviews. The Drivers-Pressures-State-Impact-Response (DPSIR) framework was used to identify relevant ICM issues and concerns and develop potential actions for improving the implementation of coastal management activities and the ICM Act. In the assessment of the ICM governance and implementation to date, a key concern identified was a general lack of coastal management knowledge among officials. It was specifically identified that knowledgeable management and capacity-building required championing from the provincial government in order to more efficiently and effectively implement the objectives of the ICM Act through an improved understanding of the coastal environment, its functioning and management.  相似文献   

14.
Abstract

State coastal zone management programs are responding to the potential impacts of accelerated sea level rise through a wide range of activities and policies. This article provides a brief overview of the Coastal Zone Management Act and other federal laws that provide the basis for coastal state regulatory activities. It surveys the level of response to sea level rise by state coastal management programs in 24 marines coastal states, from formal recognition to implementation of policies addressing the issue. Individual state CZMP responses and policies that have been implemented or proposed are categorized. The adaptation of sea level rise to ongoing institutional objectives is discussed and policy constraints and trends are summarized.  相似文献   

15.
Area-based management approaches may be beneficial in integrating sectoral, single-purpose laws and regulations; however, these benefits may not be attained if special area designations are equally sectoral or single-purpose in nature. Over 60 types of special management areas were documented under U.S. coastal programs, and a new classification scheme was developed to allow comparisons and analyses across programs. Results indicate that requirements and incentives for special area designations under the Coastal Zone Management Act did little to standardize or influence area-based management systems associated with state and territory coastal programs. Further, the absence of clear patterns within and between coastal programs with respect to special area policies suggests a limited commitment to this important aspect of coastal management. Continued research is needed to document the effectiveness of the various area-based management approaches presented in this article.  相似文献   

16.
The impacts of the tsunami in 2004 on the reefs in Surin Marine National Park, Thailand, varied with the location and exposure of the reefs. Channel areas between islands were severely damaged. Areas with steep reef slopes were damaged by sand slides or coral collapse more than areas with low slopes. Massive, sub-massive, and encrusting corals were more resistant and resilient to the direct impact of the tsunami than branching, tabulate, and foliose life forms whereas the latter were more tolerant of temporary coverage by sand. Sub-massive corals were the most tolerant overall and survived sand coverage, breakage, and overturning. Live coral cover measured three months after the tsunami was significantly greater than immediately post-tsunami as broken, moved, or sand-covered corals, recorded as impacted in the initial survey, had survived and were regenerating. Low turbidity, lack of pollution, and mild currents possibly contributed to rapid recovery and limited long-term effects of the tsunami. Impact assessment shortly after a major disturbance may give an initial measure of damage but subsequent surveys must be undertaken to identify long-term effects. Understanding patterns of reef damage can help to formulate reef zoning and protection strategies in response to catastrophic events, but also in advance of such events to improve likely resilience of the marine park to disturbance.  相似文献   

17.
舰艇综合信息系统发展研究   总被引:2,自引:0,他引:2  
舰艇综合信息系统研究主要分为两个方面的内容:以提高舰艇的作战效能为主要目的的综合作战指挥系统和以提高舰艇机动性、快速反应能力和生存力,保障舰艇安全可靠航行为目的的综合平台管理系统。在介绍这两个系统的发展现状后,指出舰艇综合信息系统最终的发展趋势为综合平台管理系统与综合作战指挥系统整合为一体,实现作战指挥与平台管理的合二为一。  相似文献   

18.
从船舶综合信息管理平台的使用维护、自身技术发展等方面阐述了综合信息管理平台实现系列化、标准化的必要性。分析了国内相关领域的发展现状,提出了相应建议。并通过标准监控系统的标准化架构阐述了综合信息管理平台标准化的具体设计思路。  相似文献   

19.
Abstract

The physical characteristics of Korea have had a profound impact on the uses of the coastal zone that have, in turn, been determined by and reinforced the nation's economic development strategy. While coastal zone management in many developed economies is more heavily oriented toward environmental protection and the resolution of user conflicts, policies for coastal zone management in Korea have emphasized the role of coastal space and other resources for economic development and industrial needs. Increasing demand for land reclamation to provide ever‐increasing industrial sites and human settlements, traditional and future needs of the fishery, and concern for the environment have led to a vast array of competition and, finally, often to conflicts. The basic pattern of coastal zone use in Korea has changed from the linear expansion of coastal zone to integrated coastal uses. An increased number of critical coastal zone issues and interactions was reflected in the creation of new governance that dealt with coastal zone resources and environment.  相似文献   

20.
Stresses impacting the coastal zone in the Asia-Pacific region are briefly reviewed under the headings of sustainable coastal activities, coastal ecosystem management, community/resource interactions, coastal resource economics and sustainability, coastal area planning, and integrated coastal policies. Recent contributions on mitigation of these stresses are introduced, with emphasis on the Coastal Zone Asia-Pacific Conference, held in Bangkok, May 2002, where various innovative approaches to research, education, information sharing, and coastal policies aiming at improving the state of the coastal areas were presented. These include the roles of community in integrated coastal management; tools and planning for management of coastal areas; education program and capacity building; and the establishments of national and regional frameworks for integrated coastal management. As appropriate information and its transfer are critical to these processes, an analysis is presented of the content of the database on coastal projects in the region, highlighting areas of research interests, funding sources, and achievements. Another database on coastal ecosystems, currently under development, is presented as an example of the type of resource that can be expected to help advance our knowledge and ability to improve the management of coastal areas. Overall, these tools should allow us, given the political will, to improve the state of coastal areas.  相似文献   

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