Port Isobel 2002 Data
10 November 2002

   
   
Port Isobel's Study to Monitor Changes Due to Programs on the Island
Site 1
Area surrounding Baker and dorms
Transect
Triangulation: in front of boathouse
small oak  small oak
willow
line bisects line between trees and runs through willow,
and corner of boathouse

 

   
   
Abiotic
weather: windy, cloudy, mild
temperature oC
air 16
sediment 15
water 14
salinity ppt 26
secchi disk (cm) 40
   
   
Distance (m) Height 2001 (cm) Height 2002 (cm)
-9 -82 -91
-6 -71 -80
-3 -54 -67
0 0 0 splash zone (~10 AM)
3 65 65 steep rise due to erosion; vertical cuts and some
6 110 110 undercutting (20 cm) 
9 111 111
12 113 113
15 112 108.5
18 114 125.5
21 112 125.5
24 109


   
   
   
   
Sediment: sand with some coarse debris and soil particles
wrack line at 0.12 m: Zostera marina and Ulva
Biomass
3 m 1sq m quadrat biomass: Spartina alterniflora, sparse 25% cover
6 m 1 sq m quadrat biomass: Spartina patens w few stems Distichlis spicata 100% cover 
6 m 0.25 sq m quadrat biomass: Spartina patens >50 stems
9 m 1 sq m quadrat biomass: grass (fescue?mixed plot) and sand 50% cover
12-30 m 1 sq m quadrat biomass: varied, mostly 75% cover grass
Willow Salix (did not identify species)  dbh 23" or 57 cm
dbh 16" or 40 cm
dbh 21" or 54 cm
saplings; not identified  dbh 2" or 5.7 cm

   
   
Floristics
Distichlis spicata salt grass
Fescue ? cultivated grass
Pinus taeda loblolly pine
Quercus (sp.) oak
Salix (sp.) willow
Spartina alterniflora cord grass
Spartina patens salt meadow hay
Fauna
little evidence of fauna
many shell fragments, few feathers (gulls)
mosquitoes


   
 

 

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