Fishing Grounds of the Gulf of Maine, Walter H. Rich [readnow txt] 📗

Browns Bank. This bank lies in a northeastern direction from Georges and is separated from it by a gully 15 miles wide, in which the depths range from 100 to 450 fathoms. Its area is about 2,275 square miles. The greatest length, from SE to NW, is 63 miles and the greatest width is 43 miles. It is situated between 64° 52" and 68° 29" west longitude, and 41° 50" and 43° 02" north latitude. There is a small rocky shoal on the northern part, on which, it is said, there is not 9 to 15 fathoms. The bank slopes away from the shoal, S. and E. to depths of 55 to 75 fathoms, but at a distance of 12 or 15 miles off, it again rises to 30 to 50 fathoms. This area of shoal water, within the 50 fathom limit, is 50 miles long and has an average width of 15 miles. North of the shoal the water deepens suddenly to 70 and 80 fathoms. The bottom is largely coarse sand, gravel, pebbles, and rocks and is rich in animal life. The area of the bank is approximately 1,370 square geographical miles.

Tides here are quite as strong as on the eastern side of Georges Bank, the ebb having an average strength of 1 1/3 miles an hour and the flood is somewhat stronger. The greatest strength of the flood tide sets W. the ebb in nearly an opposite direction.

Haddock, cod, cusk, halibut, pollock and hake are the principal food fishes procured from this bank, ranking in volume in the order named. In value, however, halibut takes third place in the list. Cod are plentiful here in winter, though fewer vessels fish here than on Georges Bank, at that season. At other seasons the codfishery on Browns Bank compares favorably with that of other banks in the vicinity. Cod are present the year around, in May and June feeding in depths of about 40 fathoms, going into 80 fathoms in August, and into depths of about 100 fathoms in cold weather.

Haddock, also, are present all the year, the period of greatest abundance being usually January and February. In March and April they are most abundant in 27 to 30 fathoms; at other seasons they are in 50 fathoms and deeper, especially in winter, when generally they can be found in 80 to 100 fathoms. Cusk are present in the deep water all the year.

Older reports say (1880-81): "Halibut were formerly found here in abundance, but at present the fishery is limited to an occasional trip off the southern and western edge." It will be noted that a fair amount of halibut was taken here during 1923, when this bank ranked third in volume of halibut taken, which seems a good showing when the comparatively small size of the ground is considered. Fairly good catches have been made SW from the Northwest Peak of Browns, about 66° 50' west longitude and 42° 40' north latitude, along the 100-fathom curve and following eastward to the southward of La Have and beyond, perhaps to 63° west longitude. The Southeast Peak is perhaps the most productive of the halibut grounds here, "setting" off from the shoaler parts into the narrow deep-water channel between this and Georges perhaps 20 miles distant.

A considerable part of the fish listed under the heading "Miscellaneous" are swordfish, which come upon this bank during their summer wanderings.

It will be noted that the number of otter-trawl fares from this ground is small. It is only in recent years that this method of fishing has been employed here, the bottom having been thought to be too rough for the successful operation of gear of this type upon it.

Seal Island Ground. This is called also on the charts in its northwest part, the German Bank and lies off the western part of Nova Scotia. Very few charts show it, as it is somewhat difficult to define its exact limits. It is a direct continuation of the shore soundings, which slope gradually from the land to the S. and W. and continue in a northerly direction beyond what might be considered the bounds of the grounds. To the S. it extends nearly to Browns Bank, from which it is separated by a narrow gully 70 to 80 fathoms deep. To the N. it reaches 38 miles beyond Seal Island and to the NW. about 35 miles from the same island. The southern limit of the ground is in 43° and the northern 43° 45' north latitude, while the western boundary may be placed at 66° 40' west longitude. The entire ground outside the 3 mile limit covers an area of 1,250 miles.

There is a small shoal called Pollock Rip, with a depth of 7 fathoms, bearing SW from Seal Island, distant 9½ miles; but otherwise the ground slopes quite gradually, the depths being from 15 to 70 fathoms. The bottom is mainly coarse gravel and pebbles with occasional rocky spots of greater or less extent. The tides sweep over this ground with considerable force out from and in toward the Bay of Fundy. the flood running strongest.

In general, the species of fish found here and the seasons of their greatest abundance are much as on Browns Bank. The principal fishes taken are haddock, cod, cusk, halibut, and hake, and a very small amount of pollock. Except for the haddocking, the best fishing season is from March to October. Halibut are said to have been very plenty here in the past but are said to have been comparatively rare in recent years, although occasional good fares are brought from these grounds, perhaps more commonly in the spring and early summer and a few at other seasons. In April they are found most commonly in 80 fathom depths; in May in 30 to 40 fathoms, in June the best halibuting is had in 25-fathom depths or even in shoaler water. (The halibut catch shown for the year chosen (1927) is unusually small, most years yielding a fair amount of this species from this ground. Apparently no member of the American halibut fleet visited this ground for the year.)

Cod are present here the year around, perhaps the best fishing taking place in May and June, when the fish are found in about 40 fathoms They go into deeper water, about 60 fathoms, in August and into 100 fathoms as the cold weather advances. This Seal Island ground may be considered essentially as a feeding ground for the cod, which seem to appear here after the spawning season is over, to fatten upon the crabs and mollusks living on the bottom and on the herring and other small fish that swim back and forth In the tide rips.

Haddock are also present all the year, the schools being most abundant and the number greatest in January and February, when the fish are in about 50 to 60 fathoms. Apparently they come into depths of from 27 to 30 fathoms in March and April for spawning.

Cusk are present here during most of the year in 80 fathoms on the hard bottom. Pollock are few on this ground at any time of the year. This species, together with herring and mackerel, are abundant on the "shore soundings" of Seal Island Ground, whence, following the abundant food furnished by the smaller fish, they range a short distance in to the Bay of Fundy. Many mackerel are taken in the traps in the vicinity of Yarmouth, Nova Scotia, which seems to mark the limit of their penetration in any considerable schools on the western shore of Nova Scotia.

What is apparently a gradually deepening extension of Seal Island Ground is found about 65 miles SSE. from Mount Desert Rock and 60 miles W. from Seal Island. There seems to be no distinguishing name for this area.

The depths here are from 70 to 100 fathoms over a broken bottom of mud, gravel, and in places fine sand. The ground falls off rapidly on all sides except toward Seal Island and the Nova Scotia coast, leaving an area at its end of somewhat indeterminate length, perhaps 18 or 20, miles, and having a distance across of about 8 miles at its widest part.

Apparently there is no reason why this should not be an all-the-year fishing ground, but it seems not to be visited much in the winter. It furnishes, however, a very good summer handline fishery for cod at dogfish time, and in the spring months it abounds in cod, cusk, and hake, all fish of large size.

Roseway Bank. This bank lies N. of the western part of La Have and SE. of Shelbourne Light, Nova Scotia: 31 miles SSE. from the whistling buoy off Lockport, Nova Scotia, to the southeastern edge. It is oblong in shape and of small extent--about 270 square geographical miles. Its greatest length is 21 miles and its greatest breadth 15 miles. It extends from 43° 12' to 43° 33' north latitude, and from 64° 25' to 64° 52' west longitude and at the northwest corner is connected with the shore limit of 60 fathoms by a narrow neck. Depths are from 33 to 48 fathoms. The bottom is of sand, gravel, and rocks; on the Northeast Peak the bottom is of yellow mud and gravel.

Currents in this region are not nearly so strong as about Cape Sable and Browns Bank, their general direction being WSW. and ENE the westerly much the stronger, though the force and direction of both are much influenced by the winds.

The principal fish taken here are cod, haddock, and cusk, but hake, pollock and halibut occur, the best fishing months being from May to October, when the bank is resorted to by craft from western Nova Scotia. A few New England craft also fish here.

La Have Bank. Situated eastward of Browns Bank and S. and E. of Roseway Bank. It extends from 42° 34' to 43° 26' north latitude a distance of 52 miles, and from 63° 50' to 65° 07' west longitude a distance of about 54 miles. The bank is nearly divided into two portions, of which the eastern (La Have Bank proper) extends N and S. 39 miles and the western portion nearly E. and W. about 35 miles. The total area of the bank is about 1,200 miles.

The bottom is largely coarse gravel, pebbles, and rock, with smaller areas of sand distributed here and there. Depths run from 40 to 50 fathoms. The general set of the currents is to the westward, but this is much influenced by the force and direction of the wind and is generally quite strong during easterly blows.

The principal fishing upon this bank in the past has been for cod and haddock: and while former reports, (1881) speak of this as having once been a favorite fishing ground for halibut and state that it was not at time of much importance in that fishery, the figures for this ground for the year 1923 show the halibut catch to have been third in volume and first in value of the species taken there. In fact, the catch of halibut here makes quite an imposing figure when the comparatively small size of the ground is considered.

Little La Have and the La Have Ridges are simply continuations of this back toward the Western Bank for a distance of about 45 miles. This places the eastern limit in about 62° 50' west longitude, the northern and southern boundaries being about as those of La Have Bank. The area of the ridges is about 1,575 miles. The bottom here is a succession of ridges of pebbles and gravel with occasional patches of rocks. Depths are from 53 to 80 fathoms. The current, occasionally strong, is weaker here than farther W. on the bank and, except during easterly winds, is but little noticed. The general set