Biodiv Sci ›› 2014, Vol. 22 ›› Issue (4): 492-501. DOI: 10.3724/SP.J.1003.2014.14002
• Original Papers • Previous Articles Next Articles
Yuyang Zhang1, Zhipeng Sha1, Fachun Guan1,2,*(), Junfeng Wang1
Received:
2014-01-06
Accepted:
2014-05-27
Online:
2014-07-20
Published:
2014-07-24
Contact:
Guan Fachun
Yuyang Zhang, Zhipeng Sha, Fachun Guan, Junfeng Wang. Effect of raising geese in cornfield on ecological characteristics of weed community[J]. Biodiv Sci, 2014, 22(4): 492-501.
种号 No. | 种名 Species | 放牧前 Before grazing | 放牧后 After grazing | |||
---|---|---|---|---|---|---|
玉米田养鹅种植模式RGICF | 常规种植模式 CK | 玉米田养鹅种植模式RGICF | 常规种植模式 CK | |||
1 | 黑麦草 Lolium multiflorum | 0.998 | - | 0.988 | - | |
2 | 紫花苜蓿 Medicago sativa | 0.993 | - | 0.961 | - | |
3 | 灰绿藜 Chenopodium glaucum | 0.920 | - | 0.925 | 0.500 | |
4 | 牛膝菊 Galinsoga parviflora | 0.814 | 0.460 | 0.859 | - | |
5 | 鼠麹草 Gnaphalium affine | 0.850 | 0.828 | 0.898 | 0.955 | |
6 | 丝叶球柱草 Bulbostylis densa | 0.764 | 0.977 | 0.895 | 0.900 | |
7 | 尼泊尔蓼 Polygonum nepalense | 0.888 | 0.500 | 0.929 | 0.700 | |
8 | 早熟禾 Poa annua | 0.306 | - | - | - | |
9 | 平车前 Plantago depressa | 0.290 | - | 0.631 | - | |
10 | 马唐 Digitaria sanguinalis | 0.886 | 0.797 | 0.813 | 0.795 | |
11 | 毛蕊花 Verbascum thapsus | - | - | 0.793 | - | |
12 | 倒提壶 Cynoglossum amabile | 0.712 | - | 0.579 | - | |
13 | 加拿大白酒草 Conyza Canadensis | - | 0.543 | 0.869 | 0.702 | |
14 | 大籽蒿 Artemisia sieversiana | 0.846 | 0.000 | 0.849 | 0.901 | |
15 | 川滇香薷 Elsholtzia souliei | 0.802 | - | 0.813 | - | |
16 | 藏蓟 Cirsium lanatum | 0.650 | - | 0.306 | - | |
17 | 白草 Pennisetum flaccidum | 0.609 | - | 0.728 | - | |
18 | 尼泊尔酸模 Rumex nepalensis | 0.290 | - | 0.830 | - | |
19 | 西南草莓 Fragaria moupinensis | - | - | 0.949 | - | |
20 | 萨嘎苔草 Carex sagaensis | - | - | 0.710 | - | |
21 | 播娘蒿 Descurainia sophia | - | - | 0.473 | - | |
22 | 蕨 Pteridium aquilinum | - | - | 0.000 | - | |
23 | 节节草 Hippochaete ramosissimum | 0.000 | - | 0.362 | 0.529 | |
24 | 老鹳草 Geranium sibiricum | - | - | 0.937 | - |
Table 1 Niche breadth of weed populations before and after grazing under treatments of raising geese in corn fields (RGICF)
种号 No. | 种名 Species | 放牧前 Before grazing | 放牧后 After grazing | |||
---|---|---|---|---|---|---|
玉米田养鹅种植模式RGICF | 常规种植模式 CK | 玉米田养鹅种植模式RGICF | 常规种植模式 CK | |||
1 | 黑麦草 Lolium multiflorum | 0.998 | - | 0.988 | - | |
2 | 紫花苜蓿 Medicago sativa | 0.993 | - | 0.961 | - | |
3 | 灰绿藜 Chenopodium glaucum | 0.920 | - | 0.925 | 0.500 | |
4 | 牛膝菊 Galinsoga parviflora | 0.814 | 0.460 | 0.859 | - | |
5 | 鼠麹草 Gnaphalium affine | 0.850 | 0.828 | 0.898 | 0.955 | |
6 | 丝叶球柱草 Bulbostylis densa | 0.764 | 0.977 | 0.895 | 0.900 | |
7 | 尼泊尔蓼 Polygonum nepalense | 0.888 | 0.500 | 0.929 | 0.700 | |
8 | 早熟禾 Poa annua | 0.306 | - | - | - | |
9 | 平车前 Plantago depressa | 0.290 | - | 0.631 | - | |
10 | 马唐 Digitaria sanguinalis | 0.886 | 0.797 | 0.813 | 0.795 | |
11 | 毛蕊花 Verbascum thapsus | - | - | 0.793 | - | |
12 | 倒提壶 Cynoglossum amabile | 0.712 | - | 0.579 | - | |
13 | 加拿大白酒草 Conyza Canadensis | - | 0.543 | 0.869 | 0.702 | |
14 | 大籽蒿 Artemisia sieversiana | 0.846 | 0.000 | 0.849 | 0.901 | |
15 | 川滇香薷 Elsholtzia souliei | 0.802 | - | 0.813 | - | |
16 | 藏蓟 Cirsium lanatum | 0.650 | - | 0.306 | - | |
17 | 白草 Pennisetum flaccidum | 0.609 | - | 0.728 | - | |
18 | 尼泊尔酸模 Rumex nepalensis | 0.290 | - | 0.830 | - | |
19 | 西南草莓 Fragaria moupinensis | - | - | 0.949 | - | |
20 | 萨嘎苔草 Carex sagaensis | - | - | 0.710 | - | |
21 | 播娘蒿 Descurainia sophia | - | - | 0.473 | - | |
22 | 蕨 Pteridium aquilinum | - | - | 0.000 | - | |
23 | 节节草 Hippochaete ramosissimum | 0.000 | - | 0.362 | 0.529 | |
24 | 老鹳草 Geranium sibiricum | - | - | 0.937 | - |
种号 No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 12 | 14 | 15 | 16 | 17 | 18 | 23 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 1.000 | 0.904 | 0.761 | 0.617 | 0.664 | 0.606 | 0.716 | 0.211 | 0.195 | 0.740 | 0.551 | 0.670 | 0.620 | 0.522 | 0.410 | 0.195 | 0.121 |
2 | 1.000 | 0.748 | 0.555 | 0.725 | 0.605 | 0.697 | 0.196 | 0.220 | 0.689 | 0.524 | 0.645 | 0.702 | 0.506 | 0.459 | 0.220 | 0.098 | |
3 | 1.000 | 0.589 | 0.557 | 0.553 | 0.707 | 0.280 | 0.200 | 0.634 | 0.480 | 0.530 | 0.500 | 0.391 | 0.320 | 0.200 | 0.080 | ||
4 | 1.000 | 0.391 | 0.448 | 0.607 | 0.269 | 0.231 | 0.535 | 0.638 | 0.625 | 0.292 | 0.265 | 0.278 | 0.231 | 0.308 | |||
5 | 1.000 | 0.689 | 0.604 | 0.074 | 0.397 | 0.425 | 0.366 | 0.705 | 0.794 | 0.338 | 0.396 | 0.358 | 0.041 | ||||
6 | 1.000 | 0.380 | 0.216 | 0.549 | 0.546 | 0.510 | 0.686 | 0.727 | 0.418 | 0.483 | 0.490 | 0.000 | |||||
7 | 1.000 | 0.151 | 0.151 | 0.502 | 0.441 | 0.587 | 0.477 | 0.375 | 0.264 | 0.151 | 0.264 | ||||||
8 | 1.000 | 0.333 | 0.257 | 0.294 | 0.129 | 0.175 | 0.511 | 0.162 | 0.600 | 0.000 | |||||||
9 | 1.000 | 0.114 | 0.412 | 0.452 | 0.400 | 0.222 | 0.351 | 0.667 | 0.000 | ||||||||
10 | 1.000 | 0.548 | 0.525 | 0.561 | 0.543 | 0.371 | 0.114 | 0.114 | |||||||||
12 | 1.000 | 0.634 | 0.343 | 0.222 | 0.280 | 0.412 | 0.177 | ||||||||||
14 | 1.000 | 0.584 | 0.319 | 0.415 | 0.452 | 0.161 | |||||||||||
15 | 1.000 | 0.497 | 0.464 | 0.358 | 0.025 | ||||||||||||
16 | 1.000 | 0.556 | 0.222 | 0.000 | |||||||||||||
17 | 1.000 | 0.351 | 0.000 | ||||||||||||||
18 | 1.000 | 0.000 | |||||||||||||||
23 | 1.000 |
Table 2 Niche overlap of weeds before grazing in the treatment of raising geese in corn fields (RGICF). Species number see Table 1
种号 No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 12 | 14 | 15 | 16 | 17 | 18 | 23 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 1.000 | 0.904 | 0.761 | 0.617 | 0.664 | 0.606 | 0.716 | 0.211 | 0.195 | 0.740 | 0.551 | 0.670 | 0.620 | 0.522 | 0.410 | 0.195 | 0.121 |
2 | 1.000 | 0.748 | 0.555 | 0.725 | 0.605 | 0.697 | 0.196 | 0.220 | 0.689 | 0.524 | 0.645 | 0.702 | 0.506 | 0.459 | 0.220 | 0.098 | |
3 | 1.000 | 0.589 | 0.557 | 0.553 | 0.707 | 0.280 | 0.200 | 0.634 | 0.480 | 0.530 | 0.500 | 0.391 | 0.320 | 0.200 | 0.080 | ||
4 | 1.000 | 0.391 | 0.448 | 0.607 | 0.269 | 0.231 | 0.535 | 0.638 | 0.625 | 0.292 | 0.265 | 0.278 | 0.231 | 0.308 | |||
5 | 1.000 | 0.689 | 0.604 | 0.074 | 0.397 | 0.425 | 0.366 | 0.705 | 0.794 | 0.338 | 0.396 | 0.358 | 0.041 | ||||
6 | 1.000 | 0.380 | 0.216 | 0.549 | 0.546 | 0.510 | 0.686 | 0.727 | 0.418 | 0.483 | 0.490 | 0.000 | |||||
7 | 1.000 | 0.151 | 0.151 | 0.502 | 0.441 | 0.587 | 0.477 | 0.375 | 0.264 | 0.151 | 0.264 | ||||||
8 | 1.000 | 0.333 | 0.257 | 0.294 | 0.129 | 0.175 | 0.511 | 0.162 | 0.600 | 0.000 | |||||||
9 | 1.000 | 0.114 | 0.412 | 0.452 | 0.400 | 0.222 | 0.351 | 0.667 | 0.000 | ||||||||
10 | 1.000 | 0.548 | 0.525 | 0.561 | 0.543 | 0.371 | 0.114 | 0.114 | |||||||||
12 | 1.000 | 0.634 | 0.343 | 0.222 | 0.280 | 0.412 | 0.177 | ||||||||||
14 | 1.000 | 0.584 | 0.319 | 0.415 | 0.452 | 0.161 | |||||||||||
15 | 1.000 | 0.497 | 0.464 | 0.358 | 0.025 | ||||||||||||
16 | 1.000 | 0.556 | 0.222 | 0.000 | |||||||||||||
17 | 1.000 | 0.351 | 0.000 | ||||||||||||||
18 | 1.000 | 0.000 | |||||||||||||||
23 | 1.000 |
种号 No. | 4 | 5 | 6 | 7 | 10 | 13 |
---|---|---|---|---|---|---|
4 | 1.000 | 0.478 | 0.258 | 0.167 | 0.176 | 0.167 |
5 | 1.000 | 0.660 | 0.348 | 0.436 | 0.403 | |
6 | 1.000 | 0.427 | 0.670 | 0.408 | ||
7 | 1.000 | 0.235 | 0.667 | |||
10 | 1.000 | 0.382 | ||||
13 | 1.000 |
Table 3 Niche overlap of weeds in conventionally planting corn fields (CK) before the RGICF treatment was grazed by geese. The species numbers see Table 1.
种号 No. | 4 | 5 | 6 | 7 | 10 | 13 |
---|---|---|---|---|---|---|
4 | 1.000 | 0.478 | 0.258 | 0.167 | 0.176 | 0.167 |
5 | 1.000 | 0.660 | 0.348 | 0.436 | 0.403 | |
6 | 1.000 | 0.427 | 0.670 | 0.408 | ||
7 | 1.000 | 0.235 | 0.667 | |||
10 | 1.000 | 0.382 | ||||
13 | 1.000 |
种号 No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 1.000 | 0.818 | 0.727 | 0.765 | 0.705 | 0.740 | 0.710 | 0.454 | 0.708 | 0.619 | 0.408 | 0.638 | 0.691 | 0.691 | 0.195 | 0.552 | 0.612 | 0.855 | 0.632 | 0.296 | 0.121 | 0.379 | 0.778 |
2 | 1.000 | 0.694 | 0.661 | 0.764 | 0.690 | 0.623 | 0.298 | 0.627 | 0.610 | 0.401 | 0.653 | 0.724 | 0.552 | 0.160 | 0.556 | 0.505 | 0.806 | 0.660 | 0.287 | 0.071 | 0.370 | 0.686 | |
3 | 1.000 | 0.639 | 0.612 | 0.684 | 0.734 | 0.539 | 0.634 | 0.544 | 0.462 | 0.718 | 0.606 | 0.669 | 0.231 | 0.573 | 0.643 | 0.638 | 0.462 | 0.385 | 0.077 | 0.154 | 0.630 | ||
4 | 1.000 | 0.488 | 0.578 | 0.577 | 0.500 | 0.613 | 0.617 | 0.300 | 0.478 | 0.525 | 0.530 | 0.100 | 0.456 | 0.527 | 0.668 | 0.667 | 0.400 | 0.100 | 0.400 | 0.586 | |||
5 | 1.000 | 0.806 | 0.609 | 0.406 | 0.479 | 0.532 | 0.386 | 0.738 | 0.669 | 0.498 | 0.219 | 0.472 | 0.658 | 0.636 | 0.508 | 0.369 | 0.156 | 0.311 | 0.790 | ||||
6 | 1.000 | 0.665 | 0.561 | 0.524 | 0.530 | 0.378 | 0.789 | 0.686 | 0.516 | 0.178 | 0.500 | 0.753 | 0.630 | 0.467 | 0.378 | 0.133 | 0.233 | 0.775 | |||||
7 | 1.000 | 0.459 | 0.512 | 0.555 | 0.497 | 0.676 | 0.537 | 0.724 | 0.377 | 0.514 | 0.683 | 0.635 | 0.361 | 0.295 | 0.115 | 0.230 | 0.697 | ||||||
9 | 1.000 | 0.446 | 0.317 | 0.333 | 0.454 | 0.350 | 0.511 | 0.250 | 0.333 | 0.686 | 0.323 | 0.167 | 0.500 | 0.250 | 0.143 | 0.429 | |||||||
10 | 1.000 | 0.489 | 0.326 | 0.422 | 0.553 | 0.696 | 0.087 | 0.473 | 0.453 | 0.660 | 0.493 | 0.174 | 0.044 | 0.196 | 0.530 | ||||||||
11 | 1.000 | 0.585 | 0.551 | 0.641 | 0.364 | 0.049 | 0.264 | 0.506 | 0.591 | 0.602 | 0.220 | 0.024 | 0.537 | 0.603 | |||||||||
12 | 1.000 | 0.519 | 0.522 | 0.502 | 0.333 | 0.333 | 0.406 | 0.371 | 0.333 | 0.111 | 0.111 | 0.556 | 0.349 | ||||||||||
13 | 1.000 | 0.758 | 0.482 | 0.278 | 0.556 | 0.641 | 0.558 | 0.352 | 0.352 | 0.093 | 0.241 | 0.677 | |||||||||||
14 | 1.000 | 0.442 | 0.150 | 0.417 | 0.557 | 0.686 | 0.450 | 0.200 | 0.050 | 0.325 | 0.633 | ||||||||||||
15 | 1.000 | 0.348 | 0.551 | 0.515 | 0.616 | 0.384 | 0.174 | 0.130 | 0.217 | 0.534 | |||||||||||||
16 | 1.000 | 0.278 | 0.218 | 0.145 | 0.000 | 0.250 | 0.600 | 0.143 | 0.191 | ||||||||||||||
17 | 1.000 | 0.311 | 0.513 | 0.444 | 0.639 | 0.056 | 0.167 | 0.413 | |||||||||||||||
18 | 1.000 | 0.521 | 0.255 | 0.450 | 0.146 | 0.161 | 0.676 | ||||||||||||||||
19 | 1.000 | 0.651 | 0.194 | 0.065 | 0.339 | 0.784 | |||||||||||||||||
20 | 1.000 | 0.167 | 0.000 | 0.476 | 0.500 | ||||||||||||||||||
21 | 1.000 | 0.250 | 0.143 | 0.333 | |||||||||||||||||||
22 | 1.000 | 0.143 | 0.143 | ||||||||||||||||||||
23 | 1.000 | 0.333 | |||||||||||||||||||||
24 | 1.000 |
Table 4 Niche overlap of weeds after grazing in the treatment of raising geese in corn fields (RGICF). The species numbers see Table 1.
种号 No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 1.000 | 0.818 | 0.727 | 0.765 | 0.705 | 0.740 | 0.710 | 0.454 | 0.708 | 0.619 | 0.408 | 0.638 | 0.691 | 0.691 | 0.195 | 0.552 | 0.612 | 0.855 | 0.632 | 0.296 | 0.121 | 0.379 | 0.778 |
2 | 1.000 | 0.694 | 0.661 | 0.764 | 0.690 | 0.623 | 0.298 | 0.627 | 0.610 | 0.401 | 0.653 | 0.724 | 0.552 | 0.160 | 0.556 | 0.505 | 0.806 | 0.660 | 0.287 | 0.071 | 0.370 | 0.686 | |
3 | 1.000 | 0.639 | 0.612 | 0.684 | 0.734 | 0.539 | 0.634 | 0.544 | 0.462 | 0.718 | 0.606 | 0.669 | 0.231 | 0.573 | 0.643 | 0.638 | 0.462 | 0.385 | 0.077 | 0.154 | 0.630 | ||
4 | 1.000 | 0.488 | 0.578 | 0.577 | 0.500 | 0.613 | 0.617 | 0.300 | 0.478 | 0.525 | 0.530 | 0.100 | 0.456 | 0.527 | 0.668 | 0.667 | 0.400 | 0.100 | 0.400 | 0.586 | |||
5 | 1.000 | 0.806 | 0.609 | 0.406 | 0.479 | 0.532 | 0.386 | 0.738 | 0.669 | 0.498 | 0.219 | 0.472 | 0.658 | 0.636 | 0.508 | 0.369 | 0.156 | 0.311 | 0.790 | ||||
6 | 1.000 | 0.665 | 0.561 | 0.524 | 0.530 | 0.378 | 0.789 | 0.686 | 0.516 | 0.178 | 0.500 | 0.753 | 0.630 | 0.467 | 0.378 | 0.133 | 0.233 | 0.775 | |||||
7 | 1.000 | 0.459 | 0.512 | 0.555 | 0.497 | 0.676 | 0.537 | 0.724 | 0.377 | 0.514 | 0.683 | 0.635 | 0.361 | 0.295 | 0.115 | 0.230 | 0.697 | ||||||
9 | 1.000 | 0.446 | 0.317 | 0.333 | 0.454 | 0.350 | 0.511 | 0.250 | 0.333 | 0.686 | 0.323 | 0.167 | 0.500 | 0.250 | 0.143 | 0.429 | |||||||
10 | 1.000 | 0.489 | 0.326 | 0.422 | 0.553 | 0.696 | 0.087 | 0.473 | 0.453 | 0.660 | 0.493 | 0.174 | 0.044 | 0.196 | 0.530 | ||||||||
11 | 1.000 | 0.585 | 0.551 | 0.641 | 0.364 | 0.049 | 0.264 | 0.506 | 0.591 | 0.602 | 0.220 | 0.024 | 0.537 | 0.603 | |||||||||
12 | 1.000 | 0.519 | 0.522 | 0.502 | 0.333 | 0.333 | 0.406 | 0.371 | 0.333 | 0.111 | 0.111 | 0.556 | 0.349 | ||||||||||
13 | 1.000 | 0.758 | 0.482 | 0.278 | 0.556 | 0.641 | 0.558 | 0.352 | 0.352 | 0.093 | 0.241 | 0.677 | |||||||||||
14 | 1.000 | 0.442 | 0.150 | 0.417 | 0.557 | 0.686 | 0.450 | 0.200 | 0.050 | 0.325 | 0.633 | ||||||||||||
15 | 1.000 | 0.348 | 0.551 | 0.515 | 0.616 | 0.384 | 0.174 | 0.130 | 0.217 | 0.534 | |||||||||||||
16 | 1.000 | 0.278 | 0.218 | 0.145 | 0.000 | 0.250 | 0.600 | 0.143 | 0.191 | ||||||||||||||
17 | 1.000 | 0.311 | 0.513 | 0.444 | 0.639 | 0.056 | 0.167 | 0.413 | |||||||||||||||
18 | 1.000 | 0.521 | 0.255 | 0.450 | 0.146 | 0.161 | 0.676 | ||||||||||||||||
19 | 1.000 | 0.651 | 0.194 | 0.065 | 0.339 | 0.784 | |||||||||||||||||
20 | 1.000 | 0.167 | 0.000 | 0.476 | 0.500 | ||||||||||||||||||
21 | 1.000 | 0.250 | 0.143 | 0.333 | |||||||||||||||||||
22 | 1.000 | 0.143 | 0.143 | ||||||||||||||||||||
23 | 1.000 | 0.333 | |||||||||||||||||||||
24 | 1.000 |
种号 No. | 3 | 5 | 6 | 7 | 10 | 13 | 14 |
---|---|---|---|---|---|---|---|
3 | 1.000 | 0.426 | 0.556 | 0.417 | 0.325 | 0.333 | 0.425 |
5 | 1.000 | 0.813 | 0.582 | 0.491 | 0.524 | 0.785 | |
6 | 1.000 | 0.601 | 0.605 | 0.414 | 0.702 | ||
7 | 1.000 | 0.642 | 0.253 | 0.618 | |||
10 | 1.000 | 0.331 | 0.613 | ||||
13 | 1.000 | 0.544 | |||||
14 | 1.000 |
Table 5 Niche overlap of weeds after grazing in conventionally planting corn fields (CK) after the RGICF treatment was grazed by geese. The species numbers see Table 1.
种号 No. | 3 | 5 | 6 | 7 | 10 | 13 | 14 |
---|---|---|---|---|---|---|---|
3 | 1.000 | 0.426 | 0.556 | 0.417 | 0.325 | 0.333 | 0.425 |
5 | 1.000 | 0.813 | 0.582 | 0.491 | 0.524 | 0.785 | |
6 | 1.000 | 0.601 | 0.605 | 0.414 | 0.702 | ||
7 | 1.000 | 0.642 | 0.253 | 0.618 | |||
10 | 1.000 | 0.331 | 0.613 | ||||
13 | 1.000 | 0.544 | |||||
14 | 1.000 |
Fig. 1 Relative abundance of functional groups before grazing (a) and after grazing (b) under the treatment of raising geese in corn fields (RGICF). MA, Monocotyledonous annuals or biennials; MP, Monocotyledonous perennials; DA, Dicotyledonous annuals or biennials; DP, Dicotyledonous perennials; FA, Fern annuals; FP, Fern perennials.
放牧前 Before grazing | 放牧后 After grazing | ||||||
---|---|---|---|---|---|---|---|
RGICF | CK | df | RGICF | CK | df | ||
Shannon-Wiener指数 Shannon-Wiener index (H’) | 1.67 ± 0.08a | 1.26 ± 0.01b | 2 | 2.05 ± 0.05a | 1.74 ± 0.06b | 2 | |
Pielou均匀度指数 Pielou evenness index (E) | 0.63 ± 0.02a | 0.73 ± 0.05a | 2 | 0.67 ± 0.00a | 0.87 ± 0.05b | 2 | |
Margalef丰富度指数 Margalef richness index (DMG) | 2.10 ± 0.31a | 1.34 ± 0.22b | 2 | 3.27 ± 0.23A | 1.55 ± 0.05B | 2 | |
Simpson多样性指数 Simpson diversity index (D) | 0.64 ± 0.02a | 0.61 ± 0.04a | 2 | 0.72 ± 0.01a | 0.79 ± 0.02b | 2 | |
地上生物量 Above-ground biomass (g) | 14.24 ± 7.09a | 3.12 ± 0.26a | 2 | 15.98 ± 6.80a | 5.49 ± 1.72a | 2 |
Table 6 Biodiversity indices and above biomass of weed community under different treatments of raising geese in corn fields (RGICF) and conventionally planting corn fields (CK)
放牧前 Before grazing | 放牧后 After grazing | ||||||
---|---|---|---|---|---|---|---|
RGICF | CK | df | RGICF | CK | df | ||
Shannon-Wiener指数 Shannon-Wiener index (H’) | 1.67 ± 0.08a | 1.26 ± 0.01b | 2 | 2.05 ± 0.05a | 1.74 ± 0.06b | 2 | |
Pielou均匀度指数 Pielou evenness index (E) | 0.63 ± 0.02a | 0.73 ± 0.05a | 2 | 0.67 ± 0.00a | 0.87 ± 0.05b | 2 | |
Margalef丰富度指数 Margalef richness index (DMG) | 2.10 ± 0.31a | 1.34 ± 0.22b | 2 | 3.27 ± 0.23A | 1.55 ± 0.05B | 2 | |
Simpson多样性指数 Simpson diversity index (D) | 0.64 ± 0.02a | 0.61 ± 0.04a | 2 | 0.72 ± 0.01a | 0.79 ± 0.02b | 2 | |
地上生物量 Above-ground biomass (g) | 14.24 ± 7.09a | 3.12 ± 0.26a | 2 | 15.98 ± 6.80a | 5.49 ± 1.72a | 2 |
Fig. 2 Corn yield under the treatments of raising geese in the corn fields (RGICF) and conventionally planting corn fields (CK). The bars represent the standard error of the mean. Letters above the bars indicate a difference between treatments at the 0.05 significance level.
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