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59
Opportunities for ecological networks
Protecting key refueling sites and their associated food
resources along the migration routes of the red knot is vital to
its survival. Major progress has been made in this regard along
the East Atlantic flyway as part of the African-Eurasian Waterbird
Agreement (AEWA).
C. c. canutus
,
C. c. islandica
, and several
other shorebird species benefit from the protection of key
areas along this flyway. The present partnership development
between countries along the East Asia-Australasian flyway
system could potentially lead to similar levels of protection.
Efforts are also needed to protect the food resources associated
with these stopover sites. Mechanical shellfish harvesting was
terminated in the Wadden Sea in 2006, but smaller-scale manual
harvesting practices always run the risk of increasing again for
economic reasons. Discontinuation of the harvesting practices
of horseshoe crabs in Delaware Bay are imperative to help the
recovery of
C. c. rufa
red knots and other shorebirds along the
West Atlantic flyway.
C
.
c
.
r
o
s
e
l
a
a
r
i
C. c. rufa
C. c. canutus
C. c. canutus
C. c. rogersi
C. c. piersmai
C. c. islandica
Sources: personal communication with Dr. Peter Prokosch,
GRID-Arendal; Piersma, T., Davidson, N.,
The Migration of
Knots,
WSG Bulletin 64, 1992.
Langebaan Lagoon
Breeding area for different subspecies
Knot staging and non-breeding area
Note: circles are intended to indicate qualitative
proportion of red knot popuation using the area.
Yellow Sea
Wadden Sea
Roebuck
Bay
Iceland
Porsanger
Fjord
Delaware Bay
Gulf of
California
Guinea-Bissau
Banc d’Arguin (Mauritania)
North
Pole
Global flyways of the six subspecies of red knot
Figure 22:
Red knot flyways.