Flora of South China Sea Wetlands (Dr. Chavalit Vidthjayanond) (52 ...
Flora of South China Sea Wetlands (Dr. Chavalit Vidthjayanond) (52 ...
Flora of South China Sea Wetlands (Dr. Chavalit Vidthjayanond) (52 ...
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Waterplants in the<br />
Tropical <strong>Wetlands</strong><br />
<strong>Chavalit</strong> Vidthayanon<br />
WWF Thailand<br />
• Introduction<br />
• Major vegetation in<br />
wetlands<br />
• Zonations<br />
• Diversity <strong>of</strong> waterplants<br />
• Economic and ecological<br />
value
Introduction
Waterplant hotspots in SEA.<br />
Kwan Payao<br />
Chantaburi<br />
Boung Khonglong<br />
Bueng Borapet<br />
Khaoyai NP<br />
Petchaburi<br />
Samroiyad NP.<br />
Ranong<br />
Thale Noi NHA<br />
Koh Libong NHA<br />
Tohdaeng Peat WS
Type <strong>of</strong> waterplants<br />
• Submerged<br />
• Emerged<br />
• Floating<br />
• Marginal<br />
• Flood dependent<br />
• Flood tolerance
Tropical Wetland Vegetation Types<br />
• Streams and<br />
riparian forests<br />
• Flooded forests<br />
• Floodplains and<br />
marshlands<br />
• Peatlands<br />
• Sandy Beach forests<br />
• Mangroves<br />
• <strong>Sea</strong>grass beds
Habitat and Landscape Diversity<br />
Lowland <strong>Dr</strong>y forest<br />
Marshlands<br />
Floating mats vegetation<br />
Streams
<strong>Dr</strong>y Dipterocarps<br />
Lowland evergreen
Deep and shallow marsh<br />
Wet meadow<br />
Shrub wetland<br />
Forested wetland<br />
Upland buffer<br />
Open water<br />
General Zonation
General zonation<br />
Riparian forests<br />
Marginal zones<br />
Submerged-emerged zones
Vegetation zones in marshland<br />
Kut Ting
Kut Ting<br />
Vegetation pr<strong>of</strong>iles<br />
in different area<br />
Bueng Kong Long
Streams and riparian forests
Riparian waterplants
Mekong Riparian<br />
forests
Flooded forests
Flooded forest trees<br />
By SEARIN
Floodplains and marshlands
Marshy grasslands
Floating and emerged plants
Floating and<br />
emerged plants
Submerged plants
Submerged plants
Marginal plants
Mangrove zonation<br />
Mangroves
Root adaptation diversity
seagrass<br />
Seedling zonation<br />
Phenology <strong>of</strong><br />
water plants<br />
mangrove
Intermediet type <strong>of</strong><br />
habitats<br />
Mangroves and peat forests
•Peat swamp forests
•Sandy Beach forests<br />
The most threatened<br />
wetland habitat in<br />
tropical areas
Beach forest flora
•<strong>Sea</strong>grass beds
Identification parts <strong>of</strong> <strong>Sea</strong>grasses
<strong>Sea</strong>grass flora<br />
Up to 60 species globally<br />
20 spp. in S/SEA.
Threats to water plant<br />
diversity<br />
• Deforestation<br />
• Wetland claim and alteration<br />
• Invasive alien species; plants and animal<br />
• Pollution<br />
• Climate change and drought<br />
• Overexploitation<br />
• Overfishing and grazing
Invasive Alien Water plants
•Economic and ecological<br />
value
Important <strong>of</strong> aquatic plants<br />
ความสําคัญ<br />
• Food อาหาร :<br />
• Fodder อาหารสัตว<br />
• Ornamental and aquarium plants พรรณไมน้ําสวยงาม<br />
• Fertilizer ปุย<br />
• Fish habitats ถิ่นอาศัยสัตวน้ํา<br />
• Pharmaceutical uses สมุนไพร<br />
• Accessories, handicraft, household uses<br />
• Timbers
Economic<br />
waterplants
Edible<br />
waterplants ><br />
50 species
Aquarium water plants<br />
Exported > 300m ฿ annually
Water plant communities as<br />
fishes and wildlife habitats
Waterplant Monitoring<br />
methods<br />
•Direct sampling<br />
•Visual census<br />
•Participatory survey<br />
and local knowledge<br />
•Photo records<br />
•Plot sampling and<br />
mapping
Tools and database<br />
• Herbarium<br />
• Botanical garden<br />
• Field guide<br />
• Water plant aquarium
See you next sessions
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