Will Frampton Marsh rock the world of scrapes? I pondered this question as I sat through the rather dull indoors part of the reserve annual review and itching to get out and examine the wader potential of the scrapes in the field, especially as I had noticed the Wind of change had gone to the east. Located on the south-west corner of The Wash, the site certainly has the potential to pull waders. Hmmm Penny for your thoughts.
Regular readers will know I have
ranted about scrapes before. Food abundance and availability are the key
issue. These are, in turn, is affected
by water regime, nutrient levels and predators.
New wetlands are generally highly productive in the first few years of
existence as early colonising invertebrates benefit from high nutrient levels
and reach high abundance levels.
Food! As time passes, nutrients
become locked up in the system in mud and decomposing material and invertebrate
predators increase as a more balanced system develops. Less food!
So the key is to dry out shallow water
bodies to allow nutrients to be released to the system, to kill off predators
and then to re-set the clock by allowing re-colonisation. But how often should this be done? Some ‘food’
invertebrates may peak in year 1, others up to years 4-5. The trouble is that birders then moan when a
scrape is dry for a season and there are no birds. Many reserves fail to manage scrapes
correctly for fear of a visitor backlash when they are dry, but then end up
with a visitor backlash for having few birds. It’s a plain shame.
So, Frampton was designed with three
scrapes adjacent to each other, all around seven hectares in extent. The two
hides each overlook two scrapes. The aim
is to rotationally manage the scrapes; drying at different times to maximise
the potential for waders. Visitors will
also see Something’s happening at all
times.
Eventually we got out into the field,
no doubt they saw the Lines on my face. I said ‘Show
me the way’. The first scrape held a
Black-necked Grebe and nine Little Gulls.
A couple of Temminck’s Stints grovelled around an island on the next
scrape, while the third had Greenshank, Black-tailed Godwit and a number of
broods of Avocet swishing for food in the shallow water. Baby, I love your way. The
adjacent wet grassland scrapes held 100+ Dunlin and Ringed Plover, Curlew
Sandpiper and Garganey. A bright future
would seem set to Shine on Frampton. Do you
feel like we do?
2 comments:
When all the pieces fit, it works really well.
Thanks I & T, seems like It's breaking all the rules but really It's the art of control.
Post a Comment