need to locate the sampling plot in a ‘representative’ location · 2018. 5. 2. · riccia...
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Determine Major Plant Communities
• Need to locate the sampling plot in a ‘representative’location
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Locate Sampling Plot
• Emergent/ aquatic vegetation interface
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Locate Sampling Plot
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Locate Sampling Plot
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Wetland Plants
Nonvascular Plants
Vascular Plants
Chara, Mosses; Lichen;Riccia fluitians; Ricciocarpus natans Woody
Plants Forbs
Grasslike
Low vascular plants
Ferns & Horsetails
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LEAFLET
Figure 5. Leaf morphology.
Simple LeafCompound Leaf
BUD
PETIOLE
PETIOLE
Figure 6. Leaf arrangement.
Alternate Opposit Whorled Basal
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Figure 7. Cross sections of selected leaves and stems (Adapted from Eggers and Reed 1997).
Typha leaf
Iris leaf
Sparganium leaf
Acorus leaf
Grass stem Carex, Scirpus stem
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Emergent, Grasslike or Grass? Cross-sections
SparganiumBur-reed Leaf
Iris TyphaCattail Leaf
Carex, ScirpusSedge Stem
Grass Stem
Iris Leaf
Bulrush StemScirpus
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Linear Lanceolate Ovate
BranchingElliptic Chordate
Figure 8. Leaf shape.
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Major Plant GroupsNonvascular & Low Vascular PlantsGrass-like Plants: grasses, sedges and rushesAquatic Submergent ForbsAquatic Floating Leaved ForbsEmergent Forbs with Simple Basel Leaves
Emergent Forbs with Compound LeavesEmergent Sprawling or Twining ForbsEmergent Forbs with Simple Alternate Leaves (occasionally opposite)Emergent Forbs with Simple Opposite or Whorled LeavesWoody Plants (vines, shrubs and trees)
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Nonvascular & Low Vascular
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Lemna
(forb)
Small floating wetland plants
Generally less than 3 x 3 cm in size
Riccia
(nonvascular)
Spirodela
(forb)
Ricciocarpus(nonvascular)
Wolffia
(forb)2.5 cm
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Small Floating-Vascular
Centimeters
Spirodela, Lemna, Wolffia
(Forb)
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Aquatic floating leaved forbs
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Grasslikes
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Aquatic submergent forbs
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Emergent forbs with basal leaves
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Emergent forbs with compound leaves
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Emergent sprawling/twining forbs
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Emergent forbs with simple alternate leaves
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Emergent forbs with simple opposite leaves
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Woody Plants (Vines, Shrubs, or Trees)