雲林縣濱海鄉鎮土地利用變遷分析

Land Use Changes of the Costal Villages in Yun-Lin County

李載鳴(Tsai-Ming Lee) ； 高慶珍(Chin-Jan Kau) ； 張晃銘(Huang-Ming-Zhang)

《臺灣地理資訊學刊》 6期 (2008/04) Pp. 1-11

https://doi.org/10.29790/JTGIS.200804.0001

摘要

為減低基礎工業對台灣本島的污染，台灣西南治海地區陸續開發離島式工業區，由於工程方式多採用抽砂造地形式，因此濱海地區土地利用形態改變甚多。雲林離島工業區於民國1993年開始動工填海，於2004年六輕完工運轉，濱海鄉鎮之土地利用形態由傳統之農業及漁業用地，轉為以工業為主之利用類型，改變甚大。雲林縣濱海的四個鄉鎮人口分布亦隨工業區開發而明顯改變。本研究利用地理資訊系統，以1993年內政部出版之相片基本圖，以及2004年的遙測影像代表離島工業區開發前後環境狀況，繪製兩個時期的土地利用分布，比較雲林縣濱海四鄉鎮在工業區開發前與開發後的土地利用形態空間分部以及面積改變的差異，並利用地理資訊系統空間分析模式，比較土地利用型態與人口分布變化。分析結果，顯示工業區土地面積增加最多，農地略為增加，養殖魚塭面積略減，顯示開發對陸地而言衝擊較明顯；沙灘地則隨工業區開發面積減少。沿海鄉鎮人口數除麥寮鄉成長外，其餘三鄉均呈下降趨勢。高齡人口數以四湖鄉為最高，麥寮鄉最低。人口結構變化以麥寮鄉高齡人口成長最高，口湖鄉最低。青壯年齡層僅麥寮鄉增加，其餘三鄉均下降。台西鄉幼齡級人口減少最多，而麥寮鄉下降率最低。

關鍵字

土地利用 ； 離島工業區 ； 地理資訊系統 ； 人口分布

並列摘要

The Yun-Lin Estate Industrial areas were planned and constructed from 1993 to 2003 to prevent pollution by basic industrial development in the western coastal area of Taiwan. The estate industrial areas were constructed using landfill, so land use of the coastal areas has changed dramatically during the development period. The major land use types were the agriculture and fishery in 1993, but there changed to industrial and urban during the ten years. This study examined the changes in land use types and the population distribution within the development of four villages in Yun-Lin County. Land use photographic maps in 1993 and satellite imagery in 2004 were used to delineate the spacial distribution of four land use types: fishery ponds, agricultural fields, industrial areas, and windbreaks. A geographical information system ArcGIS was used to analyze the spacial distribution of different land use types, the changes of areas, and population changes. Results indicated that industrial areas increased greatly during the years, while agricultural fields increased slightly. Both fishery ponds and non-agricultural vegetation areas decreased; windbreaks decreased more than other types of non-agricultural vegetation areas. The population of Mai-Liau village increased, but population decreased in the other three villages. Population aging was pronounced in Se-Hu village while the proportion of younger ages increased only at Mai-Liau village.

並列關鍵字

Land use ； estate industrial area ； GIS ； population distribution

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