地景多樣性與農業生產關係之研究-以屏東縣萬巒鄉為例

The Relationship between Landscape Diversity and Agricultural Production: A Case Study in Wanluan Township Pingtung County Taiwan

鄧晉昀(Teng chin-yun)

指導教授 ： 陳朝圳 ； 白查理

國立屏東科技大學/管理學院/景觀暨遊憩管理研究所/碩士(2021年)

https://doi.org/10.6346/NPUST202100423

摘要

本研究係以臺灣南部的屏東縣萬巒鄉(沿山休閒農業區)為例,利用地景生態理論探討1975年、2008年及2015年之多期地景多樣性對農作物生產的影響。研究方法係選取農業勞動力、耕地面積比值、農藥使用量、化肥利用率、農村用電量等與農業發展有關之變數，並利用與生態環境有關之地景多樣性指標變數，以相關統計分析，探討地景多樣性的變化與作物生產量之間的相互影響。研究結果顯示地景多樣性指標（夏農指數）與作物生產具有相關性，地景多樣性對耕地的生物多樣性（生態）產生影響，而耕地面積比值則影響地景多樣性的改變。
如何從生態農業與地景多樣性的角度提供最佳的農業生產模式，本研究提出一些看法。耕地面積比值與農作物產量比重的增加具有正相關，本研究認為耕地面積比值是農作物生產的基本要素之一，其與糧食安全有關，但地景多樣性與耕地面積比值的變化存在著相關性，以萬巒鄉研究區為例，在相同的耕地面積比值之下，地景多樣性的高低將影響作物生產。在探索地景多樣性與作物生產之間的關係研究中，假設是耕地給予管理方式的改變，地景多樣性會對作物環境產生生態影響，進而影響作物產量。其結果說明地景生態之定量指標、耕地面積比例之基本佈局等變量具有相互關係性，地景多樣性的單一化將對作物生產產生負面影響，如欲保持作物生產的永續性，維持一定程度的地景多樣性具有其必要性。

關鍵字

農作物生產 ； 耕地 ； 地景多樣性

並列摘要

This research takes Wanluan Township (an area with recreational agricultural) in Pingtung County in southern Taiwan as an example and uses the theory of landscape ecology to explore the impact of multi-period landscape diversity on crop production in 1975, 2008, and 2015. The research method is to select variables related to agricultural development, such as agricultural labor force, the ratio of cultivated land area, pesticide use, fertilizer utilization rate, and rural electricity consumption, and use the environmental diversity index variables related to the ecological environment to analyze relevant statistics. The interaction between changes in landscape diversity and crop production were explored. The research results show that the index of landscape diversity (Shannon Index) is related to crop production. The landscape diversity has an impact on the biodiversity (ecology) of cultivated land, while the ratio of cultivated land area affects the change of landscape diversity.
This research puts forward some views on how to provide the best agricultural production model from the perspective of ecological agriculture and landscape diversity. The ratio of the cultivated land area is positively correlated with the increase in the proportion of crop yields. This study believes that the ratio of the cultivated land area is one of the basic elements of crop production and is related to food security. However, there is a correlation between the diversity of landscape and the change in the ratio of cultivated land area. Take the study area of Wanluan Township as an example, under the same ratio of cultivated land area, the level of landscape diversity will affect crop production. In exploring the relationship between landscape diversity and crop production, it is assumed that the management method of cultivated land is changed, and landscape diversity will have an ecological impact on the crop environment, which in turn affects crop yield. The results show that the quantitative indicators of landscape ecology, the basic layout of the proportion of cultivated land, and other variables are interrelated. The simplification of landscape diversity will harm crop production. To maintain the sustainability of crop production, a certain level of landscape diversity is necessary.

並列關鍵字

Crop production ； Cultivated land ； Landscape diversity

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