渤海湾淤泥质海岸带典型地区景观空间格局分析

以景观多样性、景观破碎度和景观分离度作为评价指标,分析渤海湾淤泥质海岸带典型地区景观空间格局以及人类活动对景观结构的影响。将研究区域分为耕地、荒地、村镇、盐田、虾池、滩涂、库塘以及河流沟渠8个景观要素。分析表明,景观多样性主要受耕地和荒地的影响和支配;耕地和荒地的破碎度大,分离度小;盐田和河流沟渠的破碎度最小;村镇和滩涂的分布状况导致其分离度大。

Landscape Spatial Pattern of Typical Silty Coastal Zone in Bohai Bay

On the basis of such evaluation indexes as landscape diversity, landscape fragmentation and landscape isolation, quantitative analysis was made on the landscape spatial pattern of the typical silty coastal zone in Bohai Bay and the impact of human activities on landscape structure. For the convenience of analysis, the studied region was divided into 8 landscape elements, such as cultivated land, wasteland, village and town, saltern, shrimp pond, mudflat, reservoir and pond, and river and ditch. The result of the analysis shows that the landscape diversity is dominated and influenced by cultivated land and wasteland; of the cultivated land and wasteland, the landscape fragmentation is high and the isolation low; of the salterns, and the rivers and ditches, the fragmentation is the lowest; and of the villages and towns and the mudflat the isolation is high due to their distribution.