Table 4.
Analysis of Obstacles to water ecological security in the YRD region.
| Province | Year | Obstacle 1 | Obstacle 2 | Obstacle 3 | Obstacle 4 | Obstacle 5 | Obstacle 6 |
|---|---|---|---|---|---|---|---|
| Shanghai | 2011 | X3 [2.879] | X10 [2.863] | X1 [2.752] |
X9 [2.710] |
X4 [2.614] | X8 [2.611] |
| 2013 | X10 [2.863] | X1 [2.722] | X 8 [2.651] |
X 9 [2.642] |
X4 [2.621] | X3 [2.548] | |
| 2015 | X4 [2.727] | X10 [2.669] | X9 [2.607] |
X1 [2.562] |
X2 [2.398] | X7 [2.325] | |
| 2017 | X16 [2.770] | X4 [2.722] | X1 [2.696] | X10 [2.669] | X2 [2.492] | X9 [2.401] | |
| 2019 | X16 [3.338] | X9 [3.190] | X4 [2.743] | X10 [2.669] | X1 [2.633] | X2 [2.442] | |
| 2021 | X9 [2.882] | X4 [2.718] | X10 [2.669] |
X1 [2.614] |
X8 [2.445] | X2 [2.432] | |
| 2023 | X9 [2.847] | X4 [2.726] | X10 [2.669] |
X1 [2.667] |
X8 [2.551] | X2 [2.469] | |
| Jiangsu | 2011 | X12 [6.047] | X5 [3.834] | X13 [3.580] | X14 [3.464] | X6 [3.196] | X15 [2.675] |
| 2013 | X12 [5.401] | X14 [3.633] | X5 [3.520] |
X3 [2.996] |
X13 [2.939] | X6 [2.912] | |
| 2015 | X12 [4.786] | X14 [3.584] | X5 [3.217] |
X6 [2.699] |
X10 [2.598] | X13 [2.304] | |
| 2017 | X14 [3.713] | X10 [2.598] | X3 [2.582] |
X6 [2.492] |
X2 [2.383] | X1 [2.319] | |
| 2019 | X14 [3.947] | X3 [3.079] | X10 [2.598] |
X1 [2.538] |
X2 [2.476] | X6 [2.229] | |
| 2021 | X5 [3.668] | X14 [3.179] | X10 [2.598] |
X8 [2.490] |
X2 [2.313] | X1 [2.212] | |
| 2023 | X11 [5.842] | X5 [3.932] | X14 [3.196] | X10 [2.598] | X2 [2.359] | X1 [2.314] | |
| Zhejiang | 2011 | X12 [3.787] | X9 [2.642] | X7 [2.571] |
X6 [2.550] |
X15 [2.535] | X16 [2.515] |
| 2013 | X12 [3.392] | X6 [3.182] | X16 [2.901] | X15 [2.319] | X7 [2.290] | X5 [2.252] | |
| 2015 | X16 [3.284] | X6 [3.097] | X12 [3.071] |
X4 [2.292] |
X11 [2.264] | X15 [2.171] | |
| 2017 | X16 [3.332] | X6 [2.716] | X4 [2.331] | X11 [2.264] | X9 [1.955] | X15 [1.895] | |
| 2019 | X16 [3.084] | X4 [2.406] | X11 [2.219] | X6 [1.900] | X15 [1.683] | X8 [1.644] | |
| 2021 | X11 [2.853] | X4 [2.410] | X16 [2.358] | X8 [2.220] | X15 [1.654] | X9 [1.578] | |
| 2023 | X11 [2.808] | X4 [2.399] | X16 [2.190] | X8 [2.087] | X1 [1.655] | X3 [1.596] | |
| Anhui | 2011 | X13 [6.151] | X12 [3.023] | X15 [3.012] | X7 [2.916] | X5 [2.891] | X8 [2.509] |
| 2013 | X13 [4.728] | X15 [2.891] | X12 [2.860] | X5 [2.728] | X7 [2.697] | X3 [2.542] | |
| 2015 | X13 [3.859] | X12 [2.738] | X5 [2.626] | X7 [2.604] | X15 [2.498] | X8 [2.206] | |
| 2017 | X13 [2.964] | X7 [2.809] | X11 [2.582] | X15 [2.171] | X3 [1.989] | X6 [1.940] | |
| 2019 | X11 [3.261] | X3 [2.751] | X7 [2.487] | X13 [2.103] | X2 [1.971] | X4 [1.960] | |
| 2021 | X11 [3.850] | X5 [3.686] | X7 [2.276] | X8 [2.256] | X4 [1.985] | X15 [1.924] | |
| 2023 | X5 [4.623] | X11 [3.895] | X8 [2.396] | X3 [2.214] | X7 [2.133] | X4 [1.961] |