COPPERATIVE LAKE STUDY

COPPERATIVE LAKE STUDY

COOPERATIVE LAKE STUDY FIELD MONITORING SHEET B 25% Urtica dioica 15% Scirpus fluviatilis 10% Sagittaria latifolia 7% Rumex crispus 5% Mimulus ringe...

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COOPERATIVE LAKE STUDY FIELD MONITORING SHEET

B

25% Urtica dioica 15% Scirpus fluviatilis 10% Sagittaria latifolia 7% Rumex crispus 5% Mimulus ringens <1% Phragmites australis <1% Echinocystis lobata <1% Cyperus esculentus <1% Impatiens capensis

25% Mimulus ringens 20% Polygonum amphibium 15% Scirpus fluviatilis 7% Phragmites australis 5% Urtica dioica 1% Sagittaria latifolia <1% Lycopus americanus, Asclepias incarnata, Echinocystis lobata, Cyperus esculentus, Phalaris arundinacea

A

Shallow inundation Sparse Polygonum and Scirpus

C 35% Scirpus fluviatilis 20% Sagittaria latifolia 5% Urtica dioica 2%Polygonum amphibium 2% Rumex crispus 1% Echinocystis lobata 1% Impatiens capensis

25% Phragmites australis 25% Scirpus fluviatilis 10% Polygonum amphibium 5% Urtica dioica 5% Sagittaria latifolia 2% Cyperus esculentus 1% Rorippa palustris

D

Location: Carcajou Shallow Marsh (N42º 53’ 15.2”, W88º 58’ 32.3”) Date: 07-16-03 Observers: Mike Halsted & Steve Hjort Water Level: 776.30 msl Quad A: 25% Mimulus ringens, 20% Polygonum amphibium, 15% Scirpus fluviatilis, 7% Phragmites australis, 5% Urtica dioica, 1% Sagittaria latifolia, <1% Lycopus americanus, Asclepias incarnata, Echinocystis lobata, Cyperus esculentus, Phalaris arundinaceae. Quad B: 25% Urtica dioica, 15% Scirpus fluviatilis, 10% Sagittaria latifolia, 7% Rumex crispus, 5% Mimulus ringens, <1% Phragmites australis, <1% Echinocystis lobata, <1% Cyperus esculentus, <1% Impatiens capensis, <1% unidentified grass. Quad C: 35% Scirpus fluviatilis, 20% Sagittaria latifolia, 5% Urtica dioica, 2% Polygonum amphibium, 2% Rumex crispus, 1% Echinocystis lobata, 1% Impatiens capensis. Quad D: 25% Phragmites australis, 25% Scirpus fluviatilis, 10% Polygonum amphibium, 5% Urtica dioica, 5% Sagittaria latifolia, 2% Cyperus esculentus, 1% Rorippa palustris. Notes: Newly sprouting Scirpus fluviatilis in shallow inundated lake sediments in Quad D and lakeward of plot. Cyperus esculentus replaced by Mimulus ringens in Quad A.

98230_LakeStudy_FieldMonitoringSheet