Bot­tom Brook Es­tu­ary

The Pilot - - News -

Bot­tom Brook Es­tu­ary is lo­cated at the south­ern end of

Lewisporte Har­bour and con­tains ideal feed­ing and stag­ing habi­tat for nu­mer­ous wa­ter­fowl and shore­bird species.

Dur­ing ini­tial field sur­veys, a num­ber of wa­ter­fowl species were iden­ti­fied in­clud­ing the ring-necked duck, Amer­i­can black duck, greater yel­lowlegs, ring-billed gull, her­ring gull, great black-backed gull and com­mon tern.

Song­bird species in­cluded gray jay, white-throated spar­row, black-and-white war­bler and ruby-crowned kinglet. Other species recorded in the area by a lo­cal birder were the com­mon loon, Arc­tic tern, Caspian tern, com­mon gold­en­eye, red-breasted mer­ganser, spot­ted and semi­pal­mated sandpiper, osprey and bald ea­gle.

The pro­posed man­age­ment unit, where the fresh wa­ter of Bot­tom Brook flows into the salt wa­ter

of Burnt Bay, con­tains nu­tri­ent rich brack­ish wa­ter, dis­persed through­out the area by wa­ter cur­rents, tidal move­ments and wind.

Con­tin­u­ous mix­ing of salt and fresh wa­ter cre­ates a highly pro­duc­tive en­vi­ron­ment for a large va­ri­ety of wildlife species, mak­ing this area im­por­tant habi­tat within the Town of Lewisporte. Veg­e­ta­tion sur­round­ing the es­tu­ary con­sists of com­mon soft­wood and hard­wood species, such as black spruce, bal­sam fir and white birch.

The es­tu­ary pos­sesses lit­tle emer­gent veg­e­ta­tion, con­sist­ing pri­mar­ily of scat­tered rocks with mud and sand sub­strate, pro­vid­ing excellent habi­tat for in­sects, worms, mol­lusks and crus­taceans which as a nu­tri­ent-rich food source for may wa­ter­fowl and shore­bird species.

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