肖志強(qiáng) 李小軍 焦素慧
摘要 本文通過對(duì)2012—2013年隴南市油橄欖、花椒全生育期氣象和植物學(xué)特性的系統(tǒng)觀測(cè)資料進(jìn)行對(duì)比分析,得出油橄欖、花椒生長(zhǎng)關(guān)鍵時(shí)段以及對(duì)其生長(zhǎng)影響相關(guān)性最大的氣象因子作為指標(biāo),利用GIS技術(shù)制作出精細(xì)化油橄欖、花椒種植氣候適宜性區(qū)劃圖。結(jié)果表明,隴南市武都區(qū)白龍江流域、文縣白水江流域、康縣東南部、西漢水流域、成縣南部和徽縣東部等地海拔<1 300 m的河谷、平地、淺山地帶為油橄欖最適宜種植區(qū);隴南市東南部等海拔900~1 300 m的河谷、平川、淺山緩坡地帶為花椒最適宜種植區(qū)。研究結(jié)果對(duì)指導(dǎo)隴南山區(qū)科學(xué)規(guī)劃、合理布局、充分利用氣候資源發(fā)展油橄欖、花椒產(chǎn)業(yè),預(yù)防和減輕氣象災(zāi)害損失提供了科學(xué)依據(jù)。
關(guān)鍵詞 特色農(nóng)業(yè);油橄欖;花椒;生態(tài)適宜性;氣候區(qū)劃;隴南山區(qū)
中圖分類號(hào) S162.2 文獻(xiàn)標(biāo)識(shí)碼 A 文章編號(hào) 1007-5739(2017)21-0215-02
Abstract Based on the meteorological and botanical characteristics of olive and pepper during the whole growth period of Longnan City from 2012 to 2013,the meteorological factors influencing the growth of olive and pepper were obtained. And the climatic suitability zoning map was made based on GIS. The results showed that the Bailong River valley,Baishuijiang County,Kang County,western Han River,southern Chen County and eastern Hui county were the most suitable planting areas for olive. Longnan City,such as 900-1 300 m valley,hirakawa,shallow mountain slope zone were the most suitable planting areas for pepper. The results provide scientific basis for guiding the scientific planning,rational distribution,and making full use of climate resources to develop the industry of olive and pepper,to prevent and reduce the loss of meteorological disasters.
Key words characteristic agriculture;olive;pepper;ecological suitability;climatic division;Longnan mountainous area
隴南市是全國(guó)最大的初榨橄欖油生產(chǎn)示范基地和著名的花椒之鄉(xiāng),目前油橄欖種植面積3.462萬(wàn)hm2,橄欖油產(chǎn)量占全國(guó)的93%,花椒種植面積13.333萬(wàn)hm2。境內(nèi)最高山峰海拔4 187 m,最低點(diǎn)海拔550 m,受境內(nèi)氣候及地形的影響[1-4],油橄欖、花椒產(chǎn)業(yè)的發(fā)展受到了制約。本文對(duì)油橄欖、花椒全生育期氣象和植物學(xué)特性的系統(tǒng)觀測(cè)資料進(jìn)行對(duì)比分析[5-6],研究了作物生長(zhǎng)的關(guān)鍵時(shí)期及相關(guān)氣象因子,研制隴南山區(qū)油橄欖、花椒種植氣候適宜性區(qū)劃指標(biāo),利用GIS技術(shù)制作出精細(xì)化油橄欖、花椒種植氣候適宜性區(qū)劃圖,并深入實(shí)地考察改進(jìn)。研究隴南山區(qū)特色農(nóng)業(yè)氣候適宜性區(qū)劃對(duì)科學(xué)利用氣候資源、合理規(guī)劃種植、避免盲目發(fā)展,減輕氣象災(zāi)害造成的損失、確保豐收等具有重要的指導(dǎo)意義。
1 資料與方法
1.1 資料來源
油橄欖、花椒全生育期氣象與植物學(xué)特性分析資料來源于隴南市武都區(qū)漢王鎮(zhèn)佛堂溝特色農(nóng)業(yè)氣象站2012年3月至2013年12月觀測(cè)資料,并結(jié)合隴南市其他種植區(qū)調(diào)查對(duì)比觀測(cè)資料進(jìn)行綜合分析;……