Table 1 in A survey of grassland Asilidae (Diptera) at Jacana Eco Estate, Hilton, South Africa
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Table 1. Grasses likely to be encountered at Jacana Eco Estate as listed by Roderick Collett (alphabetically within categories), together with common names as provided by Van Oudtshoorn (1992) and definitions of categories.
Definitions: Decreaser: A dominant grass in good, well-managed veld that will decrease under any form of mismanagement, such as severe disturbance, untimely burn, overgrazing or under-utilisation. Increaser: A grass species that will increase under any type of mismanagement or disturbance. There are two types of increasers: Increaser I: A grass species that will increase under conditions of underutilisation or understocking or on an area which is selectively undergrazed. Increaser II: A grass species that is dominant in poor veld or that will increase under any form of overgrazing or disturbance. There are three types of Increaser IIs: Increaser IIa: A species that increases with mild overgrazing. Increaser IIb: A species that increases with moderate overgrazing. Increaser IIc: A species that increases with severe overgrazing.Increaser IAlloteropsis semialata (Black-seed Grass); Digitaria tricholaenoides (Purple Finger Grass); Eulalia villosa (Golden Velvet Grass); Setaria nigrirostris (Black-seed Bristle Grass); Trachypogon spicatus (Giant Spear Grass); Tristachya leucothrix (Hairy Trident Grass)DecreaserBrachiaria serrata (Velvet Signal Grass); Diheteropogon amplectens (Broad-leaved Bluestem); Monocymbium ceresiiforme (Boat Grass); Themeda triandra (Red Grass)Increaser 11aEragrostis capensis (Heart-seed Love Grass); Harpochloa falx (caterpillar Grass); Heteropogon contortus (Spear Grass)Increaser 11bEragrostis curvula (Weeping Love Grass); Eragrostis plana (Tough Love Grass); Eragrostic racemosa (Narrow Heart Love Grass); Hyparrhenia hirta (Common Thatching Grass); Sporobolus africanus (Ratstail Dropseed)Increaser 11cMicrochloa caffra (Pincushion Grass); Paspalum scrobiculatum (Veld Paspalum)Increaser 111Aristida junciformis (Gongoni Three-awn); Diheteropogon filifolius (Thread-leaved Bluestem); Elionurus muticus (Wire Grass)
创建时间:
2025-04-04



