Читать книгу Natural History in the Highlands and Islands - F. Darling Fraser - Страница 11

FIG. 4.—Generalized relief features of the Highlands By courtesy of the Land Utilisation Survey of Great Britain

This zone follows the line of the Highland Border Fault from Helensburgh almost to Stonehaven, and then turns at right angles north-westwards to include the middle Dee. The Lochnagar massif, 3,786 feet, may properly belong to the Central Highland zone, but it is a good pivotal point and its long southern slopes all drain into the eastern plain below the Highland Border Fault. From Lochnagar we can cross to Pitlochry and thence to Loch Tay and south-westwards to the head of Loch Lomond and to the sea at the head of Loch Fyne.

The land to the south and east of this zone is highly productive agricultural ground which shows some of the best farming in Scotland.

The zone itself is largely occupied by sheep farms which graze the Blackface breed, but the farther north-eastwards we go from Cowal to the Glens of Angus the better are the sheep, and the same hills on which they graze become easier and better grouse moors. That part of the zone east of the Tay Valley has a very high value as grouse moors for they are among the best in the kingdom. There are also deer forests in the area—west of Loch Lomond where cattle and sheep are also grazed, the Forest of Glenartney, south of Loch Earn and east of Loch Lubnaig, and Invermark Forest south of Lochnagar and in the upper reaches of the Glens of Angus.

The changing nature of this zone within historical time may be gathered from such names on the maps as Forest of Alyth and Forest of Clunie. There would be a large number of trees there hundreds of years ago, but the word forest would be given in the particular connotation of a large uncultivated tract, a usage of the word with which we are more familiar in the Highlands where a deer forest may be practically treeless. The Forests of Clunie and Alyth are now places of rearing farms for cattle and sheep, though, of course, there are still large areas of grouse moor. The golden eagle has gone from here, no longer tolerated by grouse-shooters and the farmers, and the country is not rough enough to give it sanctuary. But in Invermark Forest at the head of the Angus Glens the eagle is given protection. One might say that the red deer have gone from the forests of Clunie and Alyth, and so they have as full residents. This, however, is a frontier zone by our definition, and in winter and hard weather the stags come down the long glens of Glen Isla, Glen Fernait and Atholl. It is in this zone that there is so much outcry against the deer, which become such predatory bands on young corn crops, fields of turnips and potato clamps. A fair amount of coniferous timber is grown in this northeastern area of the frontier zone because the climate is fairly dry and the drainage good.

Dunkeld is one of the gateways to the Highlands proper, at the foot of Strathtay. From Dunkeld to Pitlochry we are in a valley made famous by an earlier Duke of Atholl in his zeal for planting. Larch became one of our most important conifers after the Duke had planted it so extensively during the 18th century. It is interesting to note, also, that it is in this afforested country that the new hybrid between the European and Japanese larch has occurred by a fortunate accident. The hybrid, with its hardiness and immunities, is expected to be a notable forester’s tree in the future. All this area and that already described carries a big stock of roe deer. Despite its unpopularity with the forester, the roe happily persists, apparently as strong as ever.

West of Dunkeld we are into Strath Bran, still timber country, grouse moors and rearing farms. The fauna of Highland hills are constantly pressing down into this zone and are as surely being scotched before the plain of Strathmore is reached. Peregrine falcons, wild cats, eagles, foxes, red deer—all these come through and rarely return. There are no high tops in this area until the head of Glen Almond where the summit of Ben Chonzie, 3,048 feet, dominates everything else in the district; yet there is big country here which the relative smoothness of the hill faces tends to emphasize. The streams have good brown trout and the valleys are always well wooded among the numerous farms. The bird population is rich and varied.

West again, we come into the Forest of Glenartney with its two sharp peaks of Ben Vorlich, 3,224 feet, and Stuc a’ Chroin, 3,189 feet, which are visible from Arthur’s Seat, Edinburgh. Glenartney is the most southerly of the deer forests proper, and though the high country of the two peaks is very suitable for deer, the winter trek of the animals makes the forest harder and harder to maintain in an age when the voice of agriculture is clamant.

The country now is getting much wilder and the easily walked slopes of good heather are giving way to some bare rock faces, to wetter sedgy hills and birch woods rather than conifers. Such is the country either side of Loch Lubnaig where the Forestry Commission is changing the face of the hillsides. The varied scheme of plantings here can serve as a model to confound those who hold that forestry spoils scenery. The same kind of country exists in the Trossachs round Loch Katrine of tourist fame. A Highlander hesitates to call the Trossachs Highland but there is no doubt of the beauty of the scenery. Birch and oak woods line the shore of the loch and hold a good number of black grouse still.

We now come to Loch Lomond, beginning at the foot of Glen Falloch as a narrow and quite uninteresting loch. It becomes more impressive the farther south we go down its twenty-odd miles. The shores are fringed with birches and oaks, and on the west bank particularly there are some fine groups of deciduous trees. Spring and autumn in this region have a charm beyond that of many Highland areas—and autumn, be it known, is a time when Scotland is at her most magnificent. If Ben Lomond looks splendid seen across the loch from Tarbet or Luss, a still finer view can be obtained from the other side where there is no road except the transverse one from Loch Katrine to Inversnaid Lodge, which can be reached also from Aberfoyle. The view westwards from above Inversnaid includes a group of “Munros”¹ draining to Loch Sloy—Ben Vorlich (another of the name) with its two peaks, and Ben Vane and Ben Ime. This is the scene of a hydro-electric project and a road is to be made into the area which will certainly allow more people to see the fine scenery than have been able heretofore. This group of hills is in the West of Scotland fair and square and has a high rainfall. The most southerly of the group is Ben Arthur (the Cobbler), 2,891 feet, where there is much bare rock and excellent climbing. At the foot of the sedgy slopes of this hill we are on the west coast at the head of Loch Long. The role of frontier zone is practically lost here, for there is not the rich agricultural land immediately to the south. There is water, and, as the foot of Loch Lomond is reached, the industrial area which is but an extension of Glasgow.

Glasgow is fortunate in its landowners to the north. On both sides of Loch Lomond fair access is given to all, and every attempt is made to preserve the natural woodland and the forest fauna. The Loch Lomond-Trossachs area has priority as a projected national park area. The area would link up with the National Forest Park already established by the Forestry Commission west of Arrochar, and which now includes the privately-given peninsula between Loch Goil and Loch Long. This extremely broken stretch of Highland country, ironically called Argyll’s Bowling Green, is within a few miles of the busy industrial Clyde. The establishment of a national park, and the faithful implementation of the Town and Country Planning Act which is now in force in Scotland, should ensure to Glasgow an area of pristine beauty with a rich natural history, much of which yet awaits patient investigation.