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南方紅壤水土流失區(qū)生態(tài)系統(tǒng)服務(wù)價(jià)值時(shí)空變化研究
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福建省自然科學(xué)基金面上項(xiàng)目(2019J01397)


Temporal and Spatial Variation of Ecosystem Service Values in Red Soil Erosion Areas in South China
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    摘要:

    基于GIS和遙感技術(shù),構(gòu)建生態(tài)系統(tǒng)評(píng)價(jià)指標(biāo)體系和評(píng)估模型,對(duì)不同水土保持措施下長(zhǎng)汀縣2005—2016年生態(tài)系統(tǒng)服務(wù)價(jià)值時(shí)空變化進(jìn)行了評(píng)估。結(jié)果表明:長(zhǎng)汀縣2005—2016年生態(tài)系統(tǒng)服務(wù)價(jià)值空間上呈現(xiàn)四周高、中間低的分布趨勢(shì),4個(gè)階段生態(tài)系統(tǒng)服務(wù)價(jià)值分別為101.08、88.39、109.14、134.11億元,大氣平衡調(diào)節(jié)價(jià)值平均占比35%,水源涵養(yǎng)價(jià)值占比15%,土壤保持價(jià)值占比21%,營(yíng)養(yǎng)循環(huán)價(jià)值占比4%,有機(jī)質(zhì)生產(chǎn)價(jià)值占比25%,各項(xiàng)生態(tài)系統(tǒng)服務(wù)價(jià)值呈現(xiàn)先減少后增加的趨勢(shì)。在不同水土保持措施下,長(zhǎng)汀縣生態(tài)系統(tǒng)服務(wù)價(jià)值時(shí)空變化差異明顯,濯田鎮(zhèn)、三洲鎮(zhèn)、河田鎮(zhèn)和策武鎮(zhèn)治理效果良好,生態(tài)系統(tǒng)服務(wù)價(jià)值增加顯著,但山地植被覆蓋有減少趨勢(shì)。建議在山地丘陵地區(qū)實(shí)行草灌喬混交治理模式、小穴播草模式和老頭松改造模式,并在破碎的崩崗裸露斑塊區(qū)修建排水溝、擋土墻和沉沙池等水土保持工程設(shè)施;在林下套種適宜的植物,加快坡改梯進(jìn)度,并實(shí)行分工合作制;在日常生產(chǎn)建設(shè)過(guò)程中注重綠化,防止水土流失,嚴(yán)格實(shí)施防止水土流失措施與主體工程同時(shí)設(shè)計(jì)、同時(shí)施工、同時(shí)投產(chǎn)使用的三同時(shí)制度。

    Abstract:

    The ecosystem evaluation index system and evaluation model were constructed based on GIS and remote sensing, and the temporal and spatial changes of ecosystem service values in Changting County from 2005 to 2016 were evaluated under the impacts of different soil and water conservation measures. The results showed that the ecosystem service values of Changting County spatially presented a trend of high around and low in the middle from 2005 to 2016, and the ecosystem service values in the four stages were 10.108 billion yuan, 8.839 billion yuan, 10.914 billion yuan and 13.411 billion yuan, respectively. Atmospheric balance value accounted for an average of 35%, water conservation value accounted for 15%, soil conservation value accounted for 21%, nutrient recycling value accounted for 4%, and organic matter production value accounted for 25%. The values of various ecosystem service showed a trend of first decreasing and then increasing. Under different soil and water conservation measures, there were significant differences in temporal and spatial changes of ecosystem service values in Changting County. In the towns of Zhuotian, Sanzhou, Hetian and Cewu, the governance effect was good, and the ecosystem service values were increased significantly, but the vegetation coverage of mountainous areas tended to be decreased. It was suggested to implement the modes of grass-shrub-arbor mixed management and old pine rehabilitation in mountainous and hilly areas, and to build drainage ditches, retaining walls and sand basins in the broken bare area of collapsed hills. Besides, interplanting suitable plants under the forest, speeding up the transformation of sloping fields into terraces and implementing the system of division of labor and cooperation were also needed to be considered. In the process of daily production and construction, it was important to pay attention to afforestation, prevent soil erosion, and strictly implement the three-simultaneous system of design, construction and operation of soil and water conservation projects.

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王培俊,劉旗,孫煌,林曉嵐,范勝龍.南方紅壤水土流失區(qū)生態(tài)系統(tǒng)服務(wù)價(jià)值時(shí)空變化研究[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2021,52(5):219-228. WANG Peijun, LIU Qi, SUN Huang, LIN Xiaolan, FAN Shenglong. Temporal and Spatial Variation of Ecosystem Service Values in Red Soil Erosion Areas in South China[J]. Transactions of the Chinese Society for Agricultural Machinery,2021,52(5):219-228.

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  • 收稿日期:2020-08-09
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  • 在線發(fā)布日期: 2021-05-10
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