GWU Data-6/13/01

 

 

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New Meadows Lake Association





Ecology of the Lake

	

   LOWER LAKE
(Near Bath Road)
  MIDLAKE AREA 
        
UPPER LAKE
(Near Old Bath Road)



 
Salinity (ppt)
27
25

Temp:	Water (degree C)
19.5
22
22.5
Air  (degrees  C)
17.5
21.5
22.5
Substrate (degree C)	
19
25
24
Hydrogen sulfide (ppm)	
0.05
0.0
0.0
Dissolved oxygen (ppm)	
9
11
6
Ph
7.5
7.8
7.5
Nitrates (mg/l)	
0.7
0.5
0.8
Phosphates (mg/l)
0.02
0.18
0.26
Turbidity (FTU)		
8
10
95
Coliform:  MPN		
6/100ml		

240/100ml
	      95% conf.		
 0.5-15	

68-750
	      coli-counts
  20/100ml	
 70/100ml	
1/100ml
		


LOWER LAKE:

Flora:
Cladophora spp
Polysiphonia
Ceramium
Spartina alterniflora
Vicia (fernlike)
Spirea (steeple bush)
Juncus girardia (black rush)
Ulva lactuca (Sea lettuce)
Achillea millefolium (Yarrow)
Solidago sempervirens (Golden Rod)
Myrica pensylvanica (Bay Berry)
(Pine White) 5 needles
(Poison Ivy)
(raspberry rubus)
moss
field grass
Juncus greenei
Typha angustifolia
Ruppia martima (Widgen grass)
Filamanetous green algae
Juncus balticus

Fauna:
Aurelia aurita(Moon Jelly)
Carprella septentionalis (Skeleton Shrimp)
Pagurus longicarpus (Hermit crab)
Mytilus edulis (Blue Mussel)
Urosalpinx Cinerea (Oyster Drill)
Gasterosteus aculeatus (Stickleback fish)
Crangon septemspinosa (Sand shrimp)
Littorina saxatilis (rough periwinkle)
Anguilla rostrata (American Eel)
Carcinus maenus (Green Crab)
Haliplanella luciae (Striped anemone)
Canpanulariidae (Hydroid)
Styela clava (Club tunicate)
Mercenaria mercenaria (Quahog)
Halicondria bowerbanki (sponge)
Botrylloides diegense (orange sheet tunicate)
Urosalpinx cinerea (Oyster drill) & egg cases
Botryllus schlosseri (golden star tunicate)
Molgula manhattensis (Sea Grape)
Panopeus (Mud crab)
Boltenia ovifera (Sea squirt)
Idotea baltica (green isopod)
Gammarid amphipod
Petricola pholadiformis (False angel wing)
Hydractinia echinata (snail fur)
Hiatella arctica (arctic rock borer)
Illyanassa obsoleta (mud dog whelk)

Plankton:
Gastropod veliger
Dinoflagellates
Nematode
Harpacticoid copepod
Metatrocophore larvae
Tintinnid
Medusa stage hydroid
Diatom

MIDLAKE AREA:

Flora:
Ruppia maritima (Widgen grass)
Zostera marina (eel grass)
Gracilaria tikvahiae (graceful red weed)
Enteromorpha intestinalis
Juncus greenei
Spartina pectinata
Spartina alterniflora
Spartina patens
Phragmites australis

UPPER LAKE:

Flora:
Spartina patens
Spartina pectinata
Solidago sempervirens

Fauna:
Palaemonetes pugio (grass shrimp)
Aurelia aurita (moon jelly)
Rhithropanopeus harrisii (White fingered mud crab)
Limulus polyphemus (horseshoe crab)
Halichondria bowerbanki (sponge)
Anguilla rostrata (American eel)
Gasterosteus aculeatus (stickleback)
Illyanassa obsoleta (mud dog whelk) & egg cases
Menidia menidia
Halichondria bowerbanki
Fundulus spp (Killifish)
Gerridae (water-strider)

Plankton:
Turbellarian (flatworm)
Cyanobacteria
Pleurosigma (diatom)
Ostracod



The above data is typical.  Similar data taken by George Washington University is available for previous years in hand written format.











































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Copyright, New Meadows Lake Association, Sept. 2003