Table 2.
Species composition and seed density in the seed banks of Carex and Miscanthus communities in different sampling periods at the Dongting Lake wetlands.
| Species name | Family | Life-form | Carex community seed density (seeds/m2) | Miscanthus community seed density (seeds/m2) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Nov. | Jan. | Mar. | May | Nov. | Jan. | Mar. | May | |||
| Alopecurus aequalis Sobol. | Poaceae | annual | 396 | 4 | 107 | 1419 | 38 | 45 | 55 | 239 |
| Alopecurus aequalis L. | Apiaceae | annual | 76 | 22 | 31 | 164 | 85 | 49 | 523 | 1060 |
| Alopecurus aequalis L. | Brassicaceae | annual | 2521 | 791 | 6562 | 25450 | 1182 | 452 | 8785 | 27948 |
| Salvia plebeia R. Brown | Lamiaceae | annual | 5 | – | 121 | 429 | 15 | 78 | 177 | 500 |
| Stellaria media (Linnaeus) Villars | Caryophyllaceae | annual | 9 | 49 | 94 | 1213 | 28 | 56 | 998 | 732 |
| Mazus pumilus (N. L. Burman) Steenis | Scrophulariaceae | annual | 517 | – | 21 | 784 | 142 | – | 1061 | 1478 |
| Pseudognaphalium affine (D. Don) Anderberg | Asteraceae | annual | 25 | – | – | 11 | 12 | – | – | – |
| Ranunculus sceleratus L. | Ranunculaceae | annual | 27 | – | – | – | – | – | – | – |
| Veronica peregrina L. | Plantaginaceae | annual | 43 | – | – | – | – | – | – | – |
| Hedyotis diffusa Willd. | Rubiaceae | annual | 15 | – | – | – | – | – | – | – |
| Bothriospermum zeylanicum (J. Jacquin) Druce | Boraginaceae | annual | 23 | – | – | – | – | – | – | – |
| Phalaris arundinacea L. | Poaceae | perennial | – | – | 3 | – | – | 26 | – | – |
| Youngia japonica (L.) DC. | Asteraceae | annual | – | – | 10 | – | – | 97 | 104 | 37 |
| Leonurus japonicus Houttuyn | Lamiaceae | annual | – | – | – | – | – | 190 | 31 | 71 |
| Galium spurium L. | Rubiaceae | annual | – | – | 42 | 198 | – | 7 | 159 | 1258 |
| Paederia foetida L. | Rubiaceae | perennial | – | – | 7 | – | – | – | – | – |
| Trigonotis peduncularis (Trev.) Benth. ex Baker et Moore | Boraginaceae | annual | – | – | – | – | – | 26 | 135 | 202 |
| Astragalus sinicus L. | Fabaceae | annual | – | – | – | 30 | – | 67 | 87 | 638 |
| Abutilon theophrasti Medicus | Malvaceae | annual | – | – | 14 | – | – | – | 59 | – |
| Hemisteptia lyrata (Bunge) Fischer & C. A. Meyer | Asteraceae | annual | – | – | – | 235 | – | – | – | 1322 |
| Clinopodium chinense (Benth.) O. Ktze. | Lamiaceae | perennial | – | – | – | – | – | 41 | – | – |
| Plantago asiatica L. | Plantaginaceae | perennial | – | 7 | – | – | – | 246 | – | – |
| Pharbitis nil (L.) Choisy | Convolvulaceae | annual | – | 11 | – | – | – | 4 | – | – |
| Hydrocotyle sibthorpioides Lam. | Apiaceae | perennial | – | – | – | 37 | – | – | – | 45 |
| Rumex acetosa L. | Polygonaceae | perennial | – | – | – | 26 | – | – | – | – |
| Geranium Rumex acetosa L. wilfordii Maxim. | Geraniaceae | perennial | – | – | – | 4 | – | – | – | – |
| Species Number | 11 | 6 | 11 | 13 | 7 | 14 | 12 | 13 | ||