草业学报 ›› 2023, Vol. 32 ›› Issue (8): 91-103.DOI: 10.11686/cyxb2022359
邢虎成1,2(), 王贤芳2, 周清3, 闫景彩4, 揭雨成1,2()
收稿日期:
2022-09-08
修回日期:
2022-10-20
出版日期:
2023-08-20
发布日期:
2023-06-16
通讯作者:
揭雨成
作者简介:
E-mail: ibfcjyc@vip.sina.com基金资助:
Hu-cheng XING1,2(), Xian-fang WANG2, Qing ZHOU3, Jing-cai YAN4, Yu-cheng JIE1,2()
Received:
2022-09-08
Revised:
2022-10-20
Online:
2023-08-20
Published:
2023-06-16
Contact:
Yu-cheng JIE
摘要:
经过40年的发展,湖南省草地类型、面积和分布方面均发生了较大的变化,20世纪80年代草地调查的数据已不能反映现实草地资源现状,要科学地配置草地的生态功能和生产功能, 首先需要摸清草地资源的家底。2018年项目组选择湖南52个县进行了草地清查,共设置3030个样地,调查每个样地的经纬度、海拔、坡向、坡位、草地类型、草地等级、盖度、草地产量、石漠化、退化、草地利用情况等。结果表明:52县中,天然草地可分为4个草地类,即暖性灌草丛、热性灌草丛、低地草甸类、山地草甸类,其中热性灌草丛样地数最大,占78.44%;其次是低地草甸类,占16.63%;暖性灌草丛和山地草甸类都较少,合计占4.93%。4个草地类包含了35个草地型,其中F05(白茅)、G01(芦苇)和G02(芦苇、藨草)草地型占比较大。天然草地处于海拔300 m以下的占94.47%,处于300~800 m的占4.54%,而海拔高于800 m的占0.99%。有76.83%的草地分布在阳坡和半阳坡,有71.10%的草地分布在坡中部以上,有14.58%的草地位于河流、湖泊、水库和坑塘的滩涂地。天然草地以Ⅲ等草地为主,占76.15%;天然草地分为8级,1级草地最多,占全体天然草地样地数57.68%。草地利用率低,有67.78%的草地未利用。草地干草产量均较高,干草产量为1000~5000 kg·hm-2的占42.78%,干草产量为5000~20000 kg·hm-2的占41.40%,干草产量大于20000 kg·hm-2有11.93%,与20世纪80年代相比,草地面积大幅度减少。天然草地覆盖情况总体良好,平均覆盖度为81.53%。94.38%的草地样地无石漠化问题,石漠化区域集中分布在湘西武陵山片区、湘中衡邵盆地,以及湘南郴州、永州两市。草地退化面积约为12.73%,邵阳、永州、湘西、郴州、娄底、张家界和衡阳等7个市州存在草地退化问题。本次清查为湖南省草地资源的开发与利用提供了参考。
邢虎成, 王贤芳, 周清, 闫景彩, 揭雨成. 湖南52县草地资源的类型、等级及利用现状分析[J]. 草业学报, 2023, 32(8): 91-103.
Hu-cheng XING, Xian-fang WANG, Qing ZHOU, Jing-cai YAN, Yu-cheng JIE. Types, grades, and utilization of grassland resources in 52 counties of Hunan Province[J]. Acta Prataculturae Sinica, 2023, 32(8): 91-103.
草地类型Grass type | 面积Area (hm2) | 占比Proportion (%) | 草地型Grassland type |
---|---|---|---|
E02 | 5.13 | 0.03 | 白羊草B. ischaemum |
E04 | 7.77 | 0.04 | 黄背草T. japonica |
E05 | 42.00 | 0.23 | 黄背草、白茅T. japonica,I. cylindrica |
E07 | 18.70 | 0.10 | 具灌木的荩草A. hispidus with shrubs |
E08 | 8.32 | 0.05 | 具灌木的野古草、暖性禾草A. anomala and warm grass with shrubs |
E10 | 2.55 | 0.01 | 结缕草Z. japonica |
E11 | 2.16 | 0.01 | 具灌木的苔草、暖性禾草Wild sedge and warm grass with shrubs |
E12 | 5.33 | 0.03 | 具灌木的白莲蒿Artemisia stechmanniana with shrubs |
F01 | 513.00 | 2.83 | 芒、热性禾草M. sinensis, hot grass |
F02 | 512.23 | 2.82 | 具乔灌的芒M. sinensis with trees and shrubs |
F03 | 607.31 | 3.34 | 五节芒M. floridulus |
F04 | 57.37 | 0.32 | 具乔灌的五节芒 M. floridulus with trees and shrubs |
F05 | 3496.58 | 19.26 | 白茅I. cylindrica |
F06 | 102.04 | 0.56 | 具灌木的白茅I. cylindrica with shrubs |
F07 | 355.82 | 1.96 | 具乔木的白茅、芒I. cylindrica and M. sinensis with trees |
F08 | 55.19 | 0.30 | 野古草A. anomala |
F09 | 4.67 | 0.03 | 具乔灌的野古草、热性禾草A. anomala and hot grass with trees and shrubs |
F11 | 56.49 | 0.31 | 具乔灌的金茅Eulalia speciosa with trees and shrubs |
F13 | 21.27 | 0.12 | 旱茅E. delavayi |
F16 | 16.41 | 0.09 | 橘草C. goeringii |
F19 | 3.66 | 0.02 | 细毛鸭嘴草I. indicum |
F22 | 2.26 | 0.01 | 扭黄茅H. contortus |
F27 | 10.00 | 0.06 | 狼尾草P. alopecuroides |
F28 | 1.92 | 0.01 | 葛藤P. lobata |
G01 | 6637.98 | 36.56 | 芦苇P. australis |
G02 | 3029.34 | 16.68 | 芦苇、藨草P. australis, S. triqueter |
G03 | 1.60 | 0.01 | 具乔灌的芦苇、大叶白麻P. australis and Poacynum hendersonii with trees and shrubs |
G09 | 6.68 | 0.04 | 碱茅Puccinellia distans |
G10 | 1.42 | 0.01 | 巨序剪股颖、拂子茅Agrostis gigantea, Calamagrostis epigeios |
G11 | 546.26 | 3.01 | 狗牙根,假俭草C. dactylon, E. ophiuroides |
G13 | 568.75 | 3.13 | 乌拉苔草Carex meyeriana |
G14 | 498.32 | 2.74 | 莎草、杂类草C. rotundus and weeds |
G19 | 934.75 | 5.15 | 匍匐柳叶箬I. repens |
H01 | 21.36 | 0.12 | 荻T. sacchariflora |
H13 | 3.89 | 0.02 | 早熟禾、杂类草P. annua and weeds |
合计Sum | 18158.54 | 100.00 |
表1 52县草地型及面积
Table 1 Statistics on rangeland type and area in 52 counties
草地类型Grass type | 面积Area (hm2) | 占比Proportion (%) | 草地型Grassland type |
---|---|---|---|
E02 | 5.13 | 0.03 | 白羊草B. ischaemum |
E04 | 7.77 | 0.04 | 黄背草T. japonica |
E05 | 42.00 | 0.23 | 黄背草、白茅T. japonica,I. cylindrica |
E07 | 18.70 | 0.10 | 具灌木的荩草A. hispidus with shrubs |
E08 | 8.32 | 0.05 | 具灌木的野古草、暖性禾草A. anomala and warm grass with shrubs |
E10 | 2.55 | 0.01 | 结缕草Z. japonica |
E11 | 2.16 | 0.01 | 具灌木的苔草、暖性禾草Wild sedge and warm grass with shrubs |
E12 | 5.33 | 0.03 | 具灌木的白莲蒿Artemisia stechmanniana with shrubs |
F01 | 513.00 | 2.83 | 芒、热性禾草M. sinensis, hot grass |
F02 | 512.23 | 2.82 | 具乔灌的芒M. sinensis with trees and shrubs |
F03 | 607.31 | 3.34 | 五节芒M. floridulus |
F04 | 57.37 | 0.32 | 具乔灌的五节芒 M. floridulus with trees and shrubs |
F05 | 3496.58 | 19.26 | 白茅I. cylindrica |
F06 | 102.04 | 0.56 | 具灌木的白茅I. cylindrica with shrubs |
F07 | 355.82 | 1.96 | 具乔木的白茅、芒I. cylindrica and M. sinensis with trees |
F08 | 55.19 | 0.30 | 野古草A. anomala |
F09 | 4.67 | 0.03 | 具乔灌的野古草、热性禾草A. anomala and hot grass with trees and shrubs |
F11 | 56.49 | 0.31 | 具乔灌的金茅Eulalia speciosa with trees and shrubs |
F13 | 21.27 | 0.12 | 旱茅E. delavayi |
F16 | 16.41 | 0.09 | 橘草C. goeringii |
F19 | 3.66 | 0.02 | 细毛鸭嘴草I. indicum |
F22 | 2.26 | 0.01 | 扭黄茅H. contortus |
F27 | 10.00 | 0.06 | 狼尾草P. alopecuroides |
F28 | 1.92 | 0.01 | 葛藤P. lobata |
G01 | 6637.98 | 36.56 | 芦苇P. australis |
G02 | 3029.34 | 16.68 | 芦苇、藨草P. australis, S. triqueter |
G03 | 1.60 | 0.01 | 具乔灌的芦苇、大叶白麻P. australis and Poacynum hendersonii with trees and shrubs |
G09 | 6.68 | 0.04 | 碱茅Puccinellia distans |
G10 | 1.42 | 0.01 | 巨序剪股颖、拂子茅Agrostis gigantea, Calamagrostis epigeios |
G11 | 546.26 | 3.01 | 狗牙根,假俭草C. dactylon, E. ophiuroides |
G13 | 568.75 | 3.13 | 乌拉苔草Carex meyeriana |
G14 | 498.32 | 2.74 | 莎草、杂类草C. rotundus and weeds |
G19 | 934.75 | 5.15 | 匍匐柳叶箬I. repens |
H01 | 21.36 | 0.12 | 荻T. sacchariflora |
H13 | 3.89 | 0.02 | 早熟禾、杂类草P. annua and weeds |
合计Sum | 18158.54 | 100.00 |
坡向 Slope direction | 坡位Slope location | 合计 Total | ||||
---|---|---|---|---|---|---|
坡脚Foot of slope | 坡下部Lower slope | 坡中部Midslope | 坡上部Upper slope | 坡顶Hilltop | ||
半阳坡Half sunny slope | 35 | 29 | 121 | 63 | 14 | 262 |
阳坡Sunny slope | 95 | 41 | 92 | 123 | 57 | 408 |
半阴坡 Half shady slope | 8 | 21 | 60 | 25 | 14 | 128 |
阴坡Shady slope | 11 | 12 | 25 | 19 | 7 | 74 |
合计Total | 149 | 103 | 298 | 230 | 92 | 872 |
表2 52县天然草地坡向和坡位分布
Table 2 The direction of the slope and slope location distribution of grassland resources in 52 counties
坡向 Slope direction | 坡位Slope location | 合计 Total | ||||
---|---|---|---|---|---|---|
坡脚Foot of slope | 坡下部Lower slope | 坡中部Midslope | 坡上部Upper slope | 坡顶Hilltop | ||
半阳坡Half sunny slope | 35 | 29 | 121 | 63 | 14 | 262 |
阳坡Sunny slope | 95 | 41 | 92 | 123 | 57 | 408 |
半阴坡 Half shady slope | 8 | 21 | 60 | 25 | 14 | 128 |
阴坡Shady slope | 11 | 12 | 25 | 19 | 7 | 74 |
合计Total | 149 | 103 | 298 | 230 | 92 | 872 |
草地等 Grassland-grade | 草地级Grassland-level | 合计 Total | |||||||
---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | ||
Ⅰ | 10 | 3 | 2 | 1 | 0 | 3 | 0 | 0 | 19 |
Ⅱ | 42 | 29 | 18 | 13 | 2 | 7 | 0 | 0 | 111 |
Ⅲ | 436 | 70 | 100 | 26 | 14 | 13 | 5 | 0 | 664 |
Ⅳ | 13 | 4 | 5 | 3 | 1 | 14 | 11 | 3 | 54 |
Ⅴ | 2 | 1 | 2 | 1 | 0 | 3 | 2 | 13 | 24 |
合计Total | 503 | 107 | 127 | 44 | 17 | 40 | 18 | 16 | 872 |
表3 52县草地等和草地级样地数
Table 3 Grassland-grade and grassland-level sample plots in 52 counties
草地等 Grassland-grade | 草地级Grassland-level | 合计 Total | |||||||
---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | ||
Ⅰ | 10 | 3 | 2 | 1 | 0 | 3 | 0 | 0 | 19 |
Ⅱ | 42 | 29 | 18 | 13 | 2 | 7 | 0 | 0 | 111 |
Ⅲ | 436 | 70 | 100 | 26 | 14 | 13 | 5 | 0 | 664 |
Ⅳ | 13 | 4 | 5 | 3 | 1 | 14 | 11 | 3 | 54 |
Ⅴ | 2 | 1 | 2 | 1 | 0 | 3 | 2 | 13 | 24 |
合计Total | 503 | 107 | 127 | 44 | 17 | 40 | 18 | 16 | 872 |
县 County | 计划清查样地 Planned checking sample points | 草地面积Grassland area (hm2) | 减少率 Reduction rate (%) | |
---|---|---|---|---|
1983 | 2019 | |||
安乡Anxiang | 62 | 2691.20 | 1488.07 | 44.71 |
汉寿Hanshou | 64 | 6729.62 | 225.09 | 96.66 |
鼎城Dingcheng | 72 | 2257.68 | 17.92 | 99.21 |
津市Jinshi | 51 | 215.39 | 1.33 | 99.38 |
桃源Taoyuan | 100 | 789.42 | 64.25 | 91.86 |
临澧Linli | 61 | 1299.81 | 85.07 | 93.46 |
武陵区Wulingqu | 60 | 376.34 | 58.94 | 84.34 |
北湖区Beihuqu | 56 | 411.13 | 200.05 | 51.34 |
苏仙区Suxianqu | 59 | 524.45 | 126.90 | 75.80 |
衡东Hengdong | 64 | 286.37 | 120.10 | 58.06 |
衡南Hengnan | 87 | 313.00 | 63.63 | 79.67 |
衡山Hengshan | 59 | 203.30 | 42.12 | 79.28 |
衡阳Hengyang | 64 | 119.63 | 36.63 | 69.38 |
祁东Qidong | 65 | 318.38 | 26.19 | 91.77 |
耒阳Leiyang | 60 | 1271.40 | 408.49 | 67.87 |
常宁Changning | 69 | 249.38 | 121.63 | 51.23 |
鹤城区Hechengqu | 49 | 331.75 | 12.47 | 96.24 |
洪江Hongjiang | 64 | 222.47 | 2.64 | 98.81 |
中方Zhongfang | 53 | 215.67 | 6.08 | 97.18 |
冷水江Lengshuijiang | 70 | 847.54 | 386.04 | 54.45 |
涟源Lianyuan | 78 | 965.86 | 504.25 | 47.79 |
娄星Louxing | 41 | 274.53 | 3.67 | 98.66 |
邵东Shaodong | 84 | 721.23 | 398.08 | 44.81 |
邵阳Shaoyang | 61 | 654.69 | 379.85 | 41.98 |
新邵Xinshao | 75 | 544.81 | 107.28 | 80.31 |
韶山Shaoshan | 13 | 73.78 | 24.86 | 66.31 |
湘潭Xiangtan | 60 | 322.73 | 88.65 | 72.53 |
湘乡Xiangxiang | 60 | 463.24 | 121.85 | 73.70 |
花垣Huayuan | 60 | 520.36 | 15.67 | 96.99 |
桃江Taojiang | 60 | 593.78 | 167.18 | 71.85 |
南县Nanxian | 60 | 1902.87 | 1181.20 | 37.93 |
沅江Yuanjiang | 60 | 11156.60 | 4570.41 | 59.03 |
资阳区Ziyangqu | 19 | 153.90 | 28.00 | 81.81 |
赫山Heshan | 59 | 225.67 | 64.51 | 71.41 |
冷水滩区Lengshuitanqu | 60 | 832.05 | 406.80 | 51.11 |
零陵Lingling | 60 | 952.73 | 528.71 | 44.51 |
祁阳Qiyang | 70 | 874.72 | 440.53 | 49.64 |
华容Huarong | 60 | 3423.13 | 1066.24 | 68.85 |
君山Junshan | 47 | 4666.19 | 3531.16 | 24.32 |
临湘Linxiang | 59 | 352.79 | 161.36 | 54.26 |
汨罗Miluo | 59 | 270.91 | 32.06 | 88.17 |
湘阴Xiangyin | 58 | 4238.68 | 123.43 | 97.09 |
岳阳楼区Yueyanglouqu | 30 | 146.63 | 14.13 | 90.36 |
岳阳Yueyang | 60 | 8844.47 | 285.73 | 96.77 |
云溪区Yunxiqu | 31 | 210.40 | 46.00 | 78.14 |
武陵源区Wulingyuanqu | 15 | 40.13 | 2.13 | 94.68 |
永定区Yongdingqu | 50 | 656.44 | 5.64 | 99.14 |
宁乡Ningxiang | 61 | 315.14 | 114.93 | 63.53 |
望城Wangcheng | 57 | 138.79 | 41.98 | 69.75 |
长沙Changsha | 55 | 183.70 | 59.03 | 67.87 |
醴陵Liling | 60 | 298.59 | 86.53 | 71.02 |
株洲Zhuzhou | 60 | 441.14 | 63.05 | 85.71 |
表4 52县天然草地面积
Table 4 The natural grassland area in 52 counties
县 County | 计划清查样地 Planned checking sample points | 草地面积Grassland area (hm2) | 减少率 Reduction rate (%) | |
---|---|---|---|---|
1983 | 2019 | |||
安乡Anxiang | 62 | 2691.20 | 1488.07 | 44.71 |
汉寿Hanshou | 64 | 6729.62 | 225.09 | 96.66 |
鼎城Dingcheng | 72 | 2257.68 | 17.92 | 99.21 |
津市Jinshi | 51 | 215.39 | 1.33 | 99.38 |
桃源Taoyuan | 100 | 789.42 | 64.25 | 91.86 |
临澧Linli | 61 | 1299.81 | 85.07 | 93.46 |
武陵区Wulingqu | 60 | 376.34 | 58.94 | 84.34 |
北湖区Beihuqu | 56 | 411.13 | 200.05 | 51.34 |
苏仙区Suxianqu | 59 | 524.45 | 126.90 | 75.80 |
衡东Hengdong | 64 | 286.37 | 120.10 | 58.06 |
衡南Hengnan | 87 | 313.00 | 63.63 | 79.67 |
衡山Hengshan | 59 | 203.30 | 42.12 | 79.28 |
衡阳Hengyang | 64 | 119.63 | 36.63 | 69.38 |
祁东Qidong | 65 | 318.38 | 26.19 | 91.77 |
耒阳Leiyang | 60 | 1271.40 | 408.49 | 67.87 |
常宁Changning | 69 | 249.38 | 121.63 | 51.23 |
鹤城区Hechengqu | 49 | 331.75 | 12.47 | 96.24 |
洪江Hongjiang | 64 | 222.47 | 2.64 | 98.81 |
中方Zhongfang | 53 | 215.67 | 6.08 | 97.18 |
冷水江Lengshuijiang | 70 | 847.54 | 386.04 | 54.45 |
涟源Lianyuan | 78 | 965.86 | 504.25 | 47.79 |
娄星Louxing | 41 | 274.53 | 3.67 | 98.66 |
邵东Shaodong | 84 | 721.23 | 398.08 | 44.81 |
邵阳Shaoyang | 61 | 654.69 | 379.85 | 41.98 |
新邵Xinshao | 75 | 544.81 | 107.28 | 80.31 |
韶山Shaoshan | 13 | 73.78 | 24.86 | 66.31 |
湘潭Xiangtan | 60 | 322.73 | 88.65 | 72.53 |
湘乡Xiangxiang | 60 | 463.24 | 121.85 | 73.70 |
花垣Huayuan | 60 | 520.36 | 15.67 | 96.99 |
桃江Taojiang | 60 | 593.78 | 167.18 | 71.85 |
南县Nanxian | 60 | 1902.87 | 1181.20 | 37.93 |
沅江Yuanjiang | 60 | 11156.60 | 4570.41 | 59.03 |
资阳区Ziyangqu | 19 | 153.90 | 28.00 | 81.81 |
赫山Heshan | 59 | 225.67 | 64.51 | 71.41 |
冷水滩区Lengshuitanqu | 60 | 832.05 | 406.80 | 51.11 |
零陵Lingling | 60 | 952.73 | 528.71 | 44.51 |
祁阳Qiyang | 70 | 874.72 | 440.53 | 49.64 |
华容Huarong | 60 | 3423.13 | 1066.24 | 68.85 |
君山Junshan | 47 | 4666.19 | 3531.16 | 24.32 |
临湘Linxiang | 59 | 352.79 | 161.36 | 54.26 |
汨罗Miluo | 59 | 270.91 | 32.06 | 88.17 |
湘阴Xiangyin | 58 | 4238.68 | 123.43 | 97.09 |
岳阳楼区Yueyanglouqu | 30 | 146.63 | 14.13 | 90.36 |
岳阳Yueyang | 60 | 8844.47 | 285.73 | 96.77 |
云溪区Yunxiqu | 31 | 210.40 | 46.00 | 78.14 |
武陵源区Wulingyuanqu | 15 | 40.13 | 2.13 | 94.68 |
永定区Yongdingqu | 50 | 656.44 | 5.64 | 99.14 |
宁乡Ningxiang | 61 | 315.14 | 114.93 | 63.53 |
望城Wangcheng | 57 | 138.79 | 41.98 | 69.75 |
长沙Changsha | 55 | 183.70 | 59.03 | 67.87 |
醴陵Liling | 60 | 298.59 | 86.53 | 71.02 |
株洲Zhuzhou | 60 | 441.14 | 63.05 | 85.71 |
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