Gloeotrichia echinulata density at four nearshore sites in Lake Sunapee, NH, USA from 2005-2016

Surface densities of Gloeotrichia echinulata, a filamentous colonial
cyanobacterium, were collected at four nearshore sites in Lake
Sunapee, NH, USA from 2005-2016. Lake Sunapee is a large (1667 hectare
surface area), oligotrophic, north temperate lake used for drinking
water and recreation with a primarily forested watershed and a
moderately-developed shoreline. Samples were collected approximately
weekly at Herrick Cove South and Newbury mid-July to September in 2005
and at Herrick Cove South late June to mid-September in 2006. Data
collection at Herrick Cove South, Newbury, South of the Fells, and
Sunapee Harbor occurred from mid-June to mid-September in 2007-2008
and from May to October in 2009-2016.