PROGRESS IN GEOGRAPHY ›› 2014, Vol. 33 ›› Issue (9): 1209-1217.doi: 10.11820/dlkxjz.2014.09.008
• Orginal Article • Previous Articles Next Articles
Huajun LIAO1,2(), Guosheng LI1,3(
), Shaohua WANG1, Linlin CUI1,2, Ninglei OUYANG1,2
Online:
2014-09-25
Published:
2014-09-25
CLC Number:
Huajun LIAO, Guosheng LI, Shaohua WANG, Linlin CUI, Ninglei OUYANG. Evolution and spatial patterns of tidal wetland in North Jiangsu Province in the past 30 Years[J].PROGRESS IN GEOGRAPHY, 2014, 33(9): 1209-1217.
Tab.1
Coastal section characteristics"
岸段 | 自然地理特征 | 生态保护区 | 入海河流流域分区 | 港口建设 | 海岸工程 | 海岸侵蚀/淤积状况 |
---|---|---|---|---|---|---|
Ⅰ | 废黄河三角洲冲积平原,粉砂-淤泥质海岸 | 三级:南四湖及运河区(灌河、中山河、废黄河、扁担河) | 滨海港 | 废黄河三角洲 海岸防护工程 | 严重侵蚀 | |
Ⅱ | 废黄河三角洲冲积平原,粉砂-淤泥质海岸 | 三级:里下河(运粮河、 射阳河) | 射阳港 | 侵蚀逐渐转向稳定 略有淤涨 | ||
Ⅲ | 海积平原,粉砂质潮滩,平均潮滩宽3~6 km | 盐城珍禽国家级自然保护区 | 三级:里下河(黄沙港、 新洋港、斗龙港) | 淤涨 | ||
Ⅳ | 海积平原,粉砂质潮滩,平均潮滩宽3~6 km,弶港附近可达14 km | 大丰麋鹿国家级自然保护区 | 三级:里下河(王港河、疆界河、川东港、东台河、方塘河) | 大丰港 | 大丰港引 堤工程、 东台近岸高 涂匡围工程 | 淤涨明显 |
Ⅴ | 长江三角洲冲积平原,粉砂、泥质粉砂为主,平均潮滩宽5~10 km | 三级:里下河(长角河、梁垛河、北凌河) | 洋口港、 吕四港 | 如东西太阳 沙人工岛工程 | 淤涨 | |
Ⅵ | 长江三角洲冲积平原,粉砂、泥质粉砂为主,平均潮滩宽0.6~3 km | 三级:长江干流(团结河、通启运河) | 岸段稳定 |
Tab.2
Change of erosion/sedimentation of the coastal sections, 1980-2008"
岸段 | 1980年 | 1992年 | 2008年 | 侵蚀/淤积面积/km2 | 速率/(m/a) | |||||
---|---|---|---|---|---|---|---|---|---|---|
1980-1992 | 1992-2008 | 1980-2008 | 1980-1992 | 1992-2008 | 1980-2008 | |||||
Ⅰ | 448.59 | 445.72 | 435.25 | -2.87 | -10.47 | -13.34 | -3.39 | -9.29 | -6.77 | |
Ⅱ | 213.87 | 214.59 | 232.02 | 0.72 | 17.43 | 18.15 | 1.58 | 28.64 | 17.04 | |
Ⅲ | 443.30 | 493.73 | 645.65 | 50.43 | 151.92 | 202.35 | 75.99 | 171.69 | 130.68 | |
Ⅳ | 341.92 | 392.83 | 760.04 | 50.91 | 367.21 | 418.12 | 49.82 | 269.49 | 175.35 | |
Ⅴ | 208.06 | 219.44 | 480.36 | 11.38 | 260.92 | 272.30 | 9.89 | 170.13 | 101.46 | |
Ⅵ | 78.77 | 66.22 | 146.33 | -12.55 | 80.11 | 67.56 | -12.51 | 59.93 | 28.88 |
Tab.3
Change in area of the coastal sections, 1980-2008"
岸段 | 固有区 | 净变区 | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
天然湿地面积变化/km2 | 人工湿地面积变化/km2 | 天然湿地面积变化/km2 | 人工湿地面积变化/km2 | ||||||||||||
1980- 1992 | 1992- 2008 | 1980- 2008 | 1980- 1992 | 1992- 2008 | 1980- 2008 | 1980- 1992 | 1992- 2008 | 1980- 2008 | 1980- 1992 | 1992- 2008 | 1980- 2008 | ||||
Ⅰ | -52.9 | -1.18 | -54.08 | 60.1 | -14.35 | 45.75 | -4 | -1.34 | -5.34 | 2.19 | -3.85 | -1.66 | |||
Ⅱ | -80.88 | -83.81 | -164.69 | 71.52 | 67.48 | 139 | 8.94 | 2.07 | 11.01 | 0 | 7.26 | 7.26 | |||
Ⅲ | 52.65 | -277.84 | -225.19 | 68.11 | 148.02 | 216.13 | 43.94 | 34.75 | 78.69 | 0.84 | 120.8 | 121.64 | |||
Ⅳ | 18.03 | -282.69 | -264.66 | 59.3 | 155.22 | 214.52 | 47.48 | 135.76 | 183.24 | 0.23 | 190.94 | 191.17 | |||
Ⅴ | 2.07 | -63.64 | -61.57 | 45.27 | -3.5 | 41.77 | 10.02 | 122.19 | 132.21 | 2.8 | 55.93 | 58.73 | |||
Ⅵ | -28.79 | 18.46 | -10.33 | 0.04 | -1.57 | -1.53 | -14.63 | 41.24 | 26.61 | 0.19 | 28.48 | 28.67 | |||
合计 | -89.82 | -690.7 | -780.52 | 304.34 | 351.30 | 655.64 | 91.75 | 334.67 | 426.42 | 6.25 | 399.56 | 405.81 |
Tab.4
Succession, loss, and transformation of coastal wetlands, 1980-2008"
湿地丧失 | 湿地转型 | 湿地演替 | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
岸段 | 天然湿地/km2 | 人工湿地/km2 | 天然湿地/km2 | 人工湿地/km2 | 天然湿地/km2 | |||||||||||||
1980- 1992 | 1992- 2008 | 1980- 2008 | 1980- 1992 | 1992- 2008 | 1980- 2008 | 1980- 1992 | 1992- 2008 | 1980- 2008 | 1980- 1992 | 1992- 2008 | 1980- 2008 | 1980- 1992 | 1992- 2008 | 1980- 2008 | ||||
Ⅰ | 8.73 | 13.20 | 21.93 | 6.22 | 5.94 | 12.16 | 46.39 | 0.64 | 47.03 | 2.73 | 2.21 | 4.94 | 6.45 | 1.45 | 7.90 | |||
Ⅱ | 33.00 | 0.59 | 33.59 | 0.33 | 0.75 | 1.08 | 68.97 | 73.88 | 142.85 | 0.00 | 0.00 | 0.00 | 39.05 | 6.07 | 45.12 | |||
Ⅲ | 18.08 | 39.57 | 57.65 | 3.01 | 0.02 | 3.03 | 42.19 | 255.36 | 297.55 | 0.00 | 0.00 | 0.00 | 97.73 | 27.71 | 125.44 | |||
Ⅳ | 43.63 | 60.78 | 104.41 | 0.04 | 5.58 | 5.62 | 49.53 | 358.16 | 407.69 | 0.01 | 3.19 | 3.20 | 95.70 | 10.09 | 105.79 | |||
Ⅴ | 12.29 | 103.8 | 116.09 | 4.96 | 9.36 | 14.32 | 23.02 | 71.01 | 94.03 | 1.46 | 0.00 | 1.46 | 14.48 | 3.79 | 18.27 | |||
Ⅵ | 4.10 | 12.19 | 16.29 | 4.89 | 8.89 | 13.78 | 1.19 | 28.14 | 29.33 | 1.76 | 7.98 | 9.74 | 9.89 | 2.41 | 12.30 | |||
合计 | 119.83 | 230.13 | 349.96 | 19.45 | 30.54 | 49.99 | 231.29 | 787.19 | 1018.48 | 5.96 | 13.38 | 19.34 | 263.30 | 51.52 | 314.82 |
Tab.5
Change in area of vegetation communities of the coastal sections, 1980-2008"
分段 | 芦苇/km2 | 大米草/km2 | 盐蒿/km2 | 茅草/km2 | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1980-1992 | 1992-2008 | 1980-2008 | 1980-1992 | 1992-2008 | 1980-2008 | 1980-1992 | 1992-2008 | 1980-2008 | 1980-1992 | 1992-2008 | 1980-2008 | ||||
Ⅰ | 0.45 | -22.38 | -21.93 | +1.38 | 2.54 | +3.92 | -3.57 | -32.73 | -36.3 | 0.45 | -5.13 | -4.68 | |||
Ⅱ | -17.47 | -31.2 | -48.67 | +2.97 | 7.74 | +10.71 | 31.24 | -81.85 | -50.61 | -16.73 | -45.49 | -62.22 | |||
Ⅲ | 42.66 | -83.39 | -40.73 | +7.54 | 29.28 | +36.82 | 21.85 | -84.6 | -62.75 | -72.05 | -16.6 | -88.65 | |||
Ⅳ | -7.56 | -13.91 | -21.47 | +6.15 | 133.53 | +139.68 | 82.69 | -187.76 | -105.07 | -81.28 | -31.51 | -112.79 | |||
Ⅴ | +1.68 | 10.35 | +12.03 | +11.60 | 56.97 | +68.57 | -13.16 | -39.99 | -53.15 | -0.05 | 4.27 | +4.22 | |||
Ⅵ | 0 | 13.65 | +13.65 | -3.89 | -7.44 | -11.33 | +3.89 | -2.75 | +1.14 | 0 | 9.54 | +9.54 | |||
合计 | 19.76 | -126.88 | -107.12 | 25.75 | 222.62 | 248.37 | 122.94 | -429.68 | -306.74 | -169.66 | -84.92 | -254.58 |
Fig.4
Correlations of area change of the changed unit vs. average annual erosion rate (a), area change of the overlap unit vs. average annual erosion rate (b), area change of the studied area vs. average annual erosion rate (c), and area change of the overlap unit vs. area change of human reclamation (d)."
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