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through this partnership project will secure a more sustainable UK bittern population with successful
breeding outside of the core area, less vulnerable to chance events and sea level rise.
H.
By 2004, the number of booming male bitterns in the UK had increased to 55, with almost all of
the increase being on those sites undertaking management based on advice derived from our research.
Although science has been at
the core of the bittern story, success has only been achieved through the trust,
hard work and dedication of all the managers, owners and wardens of sites that have implemented, in some
cases very drastic, management to secure the future of this wetland species in the UK. The constructed
bunds and
five major sluices now control the water level over 82 ha, with a further 50 ha coming under
control in the winter of 2005/06. Reed establishment has principally used natural
regeneration or planted
seedlings to provide small core areas that will in time expand to create a bigger reed area. To date nearly
275,000 seedlings have been planted and reed cover is extensive. Over 3 km of new ditches have been
formed, 3.7 km of existing ditch have been reprofiled and 2.2 km of old meander (former estuarine features)
has been
cleaned out.
I.
Bitterns now regularly winter on the site some indication that they are staying longer into the
spring. No breeding has yet occurred but a booming male was present in the spring of 2004. A range of
wildfowl breed, as well as a good number of reed bed passerines including reed bunting, reed, sedge and
grasshopper warblers. Numbers of wintering shoveler have increased so that the
site now holds a UK
important wintering population. Malltraeth Reserve now forms part of the UK network of key sites for water
vole (a UK priority species) and 12 monitoring transects has been established. Otter and brown-hare occur
on the site as does the rare plant. Pillwort.
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