The Setting
The Hopkins Forest sits in the Taconic Hills in the northwestern corner of Massachusetts
(42 deg. 44' N and 73 deg. 15' W). This rather northerly, inland locale gives the region
a cool, continental climate, with cold (mean temp. 22 degrees F.), snowy winters and
warm, humid summers (73 degrees F.). Average precipitation in the area is just under
40 inches with approximately one quarter of that falling as snow. The bedrock of the
Taconics is predominantly phyllite of the Taconic Orogony; marble is the main underlying
stratum at lower elevations of the forest. The entire area was under ice during the
last glaciation with large quartzite erratics giving testimony to this history. Sprawling
from the Hoosic River basin in Williamstown to the crest of the Taconic Mountain Range
in Eastern New York and Southwestern Vermont, the Hopkins Forest encompasses several
square miles of varied forests, streams, fields and topography.
The Forest
As you move up the mountain from the Hoosic floodplain (elevation: 170 meters) to the
summit of the Taconic Range (745 m.) you encounter a variety of forest types that are,
in part, a product of their underlying soil and topographic characteristics. This "Northern
Hardwood" forest is divided into several subsections: the rich alluvial bottomland forest
that inhabits the flat, but narrow Hoosic Valley; the rich sugar maple and mixed deciduous
stands (often including white ash, American basswood, butternut hickory, American elm
and American hophornbeam) that occupy the richer, marble underlain slopes below 400
meters. As the slopes steepen, these forests give way to the text-book Northern hardwood
types, dominated by sugar maple, American beech and yellow birch (often accompanied
by black cherry, red maple and Eastern Hemlock). As you traverse the drier "shoulders"
of the mountain, you will notice the more open stands of red oak, sometimes accompanied
by white and chestnut oaks; often they hover over thickets of blueberry, huckleberry
and an occasional mountain laurel. On some of these sites you can still see living vestiges
of the American chestnut that dominated them 100 years ago. High atop the mountain--where
soils are quite acidic owing to their phyllite and quartzite substrata--the northern
hardwood mix, in a few places, gives way to sparse stands of red spruce and Eastern
Hemlock; in this area, you can still find small open glades dominated by spirea, chokeberry,
and ericacious shrubs, punctuated by an occasional paper birch or white pine--persisting
decades after their last disturbance. These mountain glades harbor certain northern
species, such as bunchberry (Cornus canadensis) and three-toothed cinquefoil (Potentilla
tridentata) that are uncommon to the area.
Water
The forest has several high quality mountain streams, including the birch brook watershed,
a grouping of three first order streams, which falls entirely within its boundaries.
This watershed has become the focal area for hydrologic and water chemistry monitoring
activities. There are several other first and second order streams that flow down the
slopes of the forest. Streams in the Hopkins Forest harbor a rich macroinvertebrate
fauna and also house significant populations of two state rare species: The Appalachian
Brook Crayfish (Cambarus bartonii) and the Northern Spring Salamander (Gyrinophilus
porphyriticus). Stagnant water is sparse in the Hopkins Forest, although there are a
few high quality vernal pools within its boundaries and several ponds just outside them.
These pools contribute to a relatively rich amphibian life within the forest. There
are also several springs and seepage areas in the forest that create some rich local
habitats.

Fields
The forest has several fields including the newly acquired 'Wire Bridge
Farm'. These meadows, which together account for approximately 40 acres,
are maintained for research and teaching by annual mowings. More 'early
successional' habitats are currently being created for academic purposes.
Wildlife
With 2600 acres of mixed habitats, the Hopkins forest harbors a wide array
of wildlife species native to the Eastern North America. Among the mammals,
white-tailed deer, black bear, porcupines and bobcats are the more charismatic
although, in the forest, all orders are present--down to bats, mice, shrews,
and moles. Birds are represented by over 100 species of which over 40 nest
here, including the black-capped chickadee, black-throated blue warbler,
Eastern wood pewee, hermit thrush, ruffed grouse, American Woodcock, yellow-bellied
sapsucker, and barred owl. Reptiles and amphibians are represented by the
numerous milk and garter snakes and American toads in the summer and an
array of vernal pool breeders--spring peepers, wood frogs, gray tree frogs,
green frogs, red-spotted newts and spotted salamanders in the spring. There
are several species of darters and minnows in the streams, and a world of
invertebrate life teeming from the stream bottoms to the tree canopy.
For more information on research opportunities and resources in the Hopkins Forest, contact the Forest Manager.
