Page 189 - 《广西植物》2025年第11期
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11 期          刘世章等: 围栏封育对不同退化高寒草地土壤种子库及地上植物群落的影响                                          2 1 3 3

            表 7  土壤种子库与地上植物群落物种组成的相似性                                 表 8  土壤种子库和地上植物群落的
             Table 7  Similarity between soil seed banks and species        Spearman 相关性分析
                 composition of aboveground plant communities     Table 8  Spearman correlation analysis of soil seed
                                                                     banks and aboveground plant communities
                                                   Sørensen
             草地类型                                 相似性系数
                       处理     共有物种                              指标
              Grassland                            Sørensen            AC     AB      AR     AD      SR   SD
                      Treatment  Common species                 Index
               type                                similarity
                                                   coefficient
                                                                AC      1      —             —
             高寒草甸       WC    En、 Sp、 Cp、 Pb、 Pm、 Tm、  0.33     AB      0.62∗∗  1     —              —
              Alpine          Lb、Ad
              meadow                                            AR     -0.51∗∗ -0.29∗∗  1    —
                        NC    Pos、 En、 Sp、 Ca、 Cp、 Pm、  0.36
                              Tm、Lb
                                                                AD      0.98∗∗  0.61∗∗ -0.49∗∗  1    —
                        WS    Pos、 En、 Sp、 Cp、 Ps、 Pb、  0.43
                                                                 SR    -0.13   0.16   0.15   -0.11   1
                              Pm、Om、Spr、Dh、Mt
                        NS    Sp、Pos、 Cp、 Oa、 Pb、 Pm、  0.33      SD    -0.09   0.20∗  0.19   -0.05   0.85∗∗ 1
                              Ht、Mt
                                                                 注: AC. 地上植物群落盖度ꎻ AB. 地上生物量ꎻ AR. 地上植物
             高寒草原       WC    Pos、 Cp、 As、 Om、 Pm、  0.33
                                                               群落物种丰富度ꎻ AD. 地上植物群落密度ꎻ SR. 土壤种子库物种
              Alpine          Lb、Lp
                                                               丰富度ꎻ SD. 土壤种子库密度ꎮ ∗∗表示在 0.01 水平相关性极显
               steppe
                        NC    Pos、As、Pm、Ab          0.22       著(双尾)ꎻ∗表示在 0.05 水平相关性显著(双尾)ꎮ
                                                                 Note:AC. Aboveground plant community coverꎻ AB. Aboveground
                        WS    Sp、Pb、Lp              0.24
                                                               biomassꎻ AR. Aboveground plant community species richnessꎻ
                        NS    Pos、Sg、Ot、Fc、Pm       0.25       AD. Aboveground plant community densityꎻ SR. Soil seed bank
                                                               species richnessꎻ SD. Soil seed bank density. ∗∗ indicates a highly
              注: En. 垂穗披碱草ꎻ Sp. 紫花针茅ꎻ Cp. 高山嵩草ꎻ Pb. 二裂         significant correlation at 0. 01 level ( two ̄tailed)ꎻ ∗ indicates a
            委陵菜ꎻ Pm. 多裂委陵菜ꎻ Tm. 蒲公英ꎻ Lb. 短穗兔耳草ꎻ Ad. 青          significant correlation at 0.05 level (two ̄tailed).
            藏蒿ꎻ Pos. 早熟禾属ꎻ Ca. 矮生嵩草ꎻ Ps. 钉柱委陵菜ꎻ Om. 小叶
            棘豆ꎻ Spr. 山莓草ꎻ Dh. 白花枝子花ꎻ Mt. 小果滨藜ꎻ Oa. 高山棘
            豆ꎻ Ht. 三裂碱毛茛ꎻ As. 笔直黄芪ꎻ Lp. 弱小火绒草ꎻ Ab. 青藏          CHU Hꎬ ZHANG CPꎬ DONG QMꎬ et al.ꎬ 2019. The effect of
            狗娃花ꎻ Sg. 沙生针茅ꎻ Ot. 固沙草ꎻ Fc. 矮羊茅ꎮ                     grazing intensity and season on the soil seed bank and its
              Note: En. Elymus nutansꎻ Sp. Stipa purpureaꎻ Cp. Carex parvulaꎻ  relation with above ̄ground vegetation on the alpine steppe
            Pb. Potentilla bifurcaꎻ Pm. Potentilla multifidaꎻ Tm. Taraxacum  [J]. Agricultureꎬ Ecosystems & Environmentꎬ 285 ( 2):
            mongolicumꎻ Lb. Lagotis brachystachyaꎻ Ad. Artemisia duthreuil ̄de ̄
                                                                 106622-106631.
            rhinsiꎻ Pos. Poa spp.ꎻ Ca. Carex alatauensisꎻ Ps. Potentilla
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            procumbensꎻ Dh. Dracocephalum heterophyllumꎻ Mt. Microgynoecium
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            tibeticumꎻ Oa. Oxytropis alpinaꎻ Ht. Halerpestes tricuspisꎻ As.
                                                               GOODALE UMꎬ ANTONELLI Aꎬ NELSON CRꎬ et al.ꎬ
            Astragalus strictusꎻ Lp. Leontopodium pusillumꎻ Ab. Aster boweriꎻ
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            此ꎬ沙化草地中缺乏目标植物的土壤种子库是限                                chemical fertilizers for restoring degraded alpine grassland
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                                                               GUO ZPꎬ ZHAO YPꎬ ZHANG PHꎬ et al.ꎬ 2024. Rodents
            封育难以有效促进植被恢复和重建ꎬ必须结合人
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