gulls in jamaica bay 2010 update
DESCRIPTION
Gulls in Jamaica Bay 2010 Update. Dr. Brian E. Washburn USDA, APHIS, Wildlife Services, National Wildlife Research Center 419-625-0242 [email protected]. Research Objective. Estimate the size of gull nesting populations in the Jamaica Bay Unit of Gateway NRA. - PowerPoint PPT PresentationTRANSCRIPT
Gulls in Jamaica Bay 2010 Update
Dr. Brian E. Washburn
USDA, APHIS, Wildlife Services, National Wildlife Research Center
Research Objective
Estimate the size of gull nesting populations in the Jamaica Bay Unit of Gateway NRA
Jamaica Bay Nest Count for 2010
20 islands & marshes
May 27 to June 8, 2010
Multi-agency effort
Count of adult gulls & count of gull nests
Count of Adult Gulls
Marsh HERG GBBG
Canarsie Pol 730 49
Subway Island 245 13
Elder’s Point East 60 2
Little Egg Marsh 95 120
Broad Creek Marsh 30 0
Duck Point Marsh 6 0
TOTAL 1,166 184
Count of Gull Nests
Marsh HERG GBBG
Canarsie Pol 126 7
Subway Island 69 1
Elder’s Point East 49 2
Little Egg Marsh 95 120
Broad Creek Marsh 30 0
Duck Point Marsh 6 0
TOTAL 375 130
JFKIA
JFKIAHERG
JFKIAGBBG
JFKIALAGU
Research Objective
Estimate the population of laughing gull nests in Jamaica Bay
Aerial Photography Approach
Joco Marsh Complex
Silver Hole
East High Meadow
East JocoIsland
Joco Marsh
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
E. Joco Island
Silver Hole
E. H. Meadow
JocoN
o es
tim
ate
Nu
mb
er o
f L
AG
U N
ests
No
esti
mat
e
Joco Marsh
East High
Meadow
Silver Hole
East Joco
Island
Total Colony
2007 1,322 8 13 3 1,346
2008 1,237 13 21 9 1,280
2010 2,672 117 0 53 2,932
