Forest and fungus succession in the lower Yukon valley

  • 52 Pages
  • 3.58 MB
  • English
University of Michigan press , Ann Arbor
Trees -- Diseases and pests -- Yukon terr


Yukon terri

Statementby Dow V. Baxter ... and Frank H. Wadsworth ...
SeriesUniversity of Michigan. School of forestry and conservation. Bulletin no. 9
ContributionsWadsworth, Frank H.
LC ClassificationsSB733 .B38
The Physical Object
Pagination52 p.
ID Numbers
Open LibraryOL237061M
LC Control Numberagr39000489

The authors trace the changes that characteristically take place in fungi populations within a stand of timber as it advances in age and those that accompany the transformation of the forest from the pioneer to the climax type.

The meander belt of the lower Yukon is particularly well suited for such a study since it provides examples of all stages of forest succession, and. Yukon Forest Service personnel were contacted at Whitehorse where a meeting was held with headquarters staff to discuss pest problems.

Contact was also made with the Yukon Forest Service at Haines Junction, Ross River and Watson Lake. The Forest Insect and Disease Survey is a nationwide network within the. To this end, we brought together a group of scientists currently studying terrestrial plant succession, who represent research experience in a broad spectrum of different ecosystem types.

The results of that meeting led to this book, which presents to the reader a unique summary of contemporary research on forest : Springer-Verlag New York.

Details Forest and fungus succession in the lower Yukon valley FB2

sapling stage, pole stage, and mature forest. In general, plant communities progress in an orderly and predictable manner known as forest succession.

How-ever, the rate of forest succession on any one property is difficult to predict and may vary with soil conditions, topography, frequency of.

The ecological memory evaluation framework treats forest succession on an ecosystem scale and in a historical context.

It integrates a large number of key indicators of forest succession that are distributed in different temporal scales (decades to thousands of years) and spatial scales (internal memory and external memory).Cited by: A preliminary comparison of burned and unburned tracts in the northern boreal forest of the lower Mackenzie River Forest and fungus succession in the lower Yukon valley book indicates that, without periodic fires, trees will be eliminated and the climax vegetation will be a moss/lichen association.

The implications for land management are adumbrated. Forests, an international, peer-reviewed Open Access journal. Dear Colleagues, Regulation of forest succession is essential to sustainable resource management in natural and man-made forests under rapidly changing environments, e.g., increasing CO2 and.

Dead wood constitutes an important substrate for biodiversity in boreal forests. As the wood decays, fungal communities develop and species associations are formed. Species interactions are thought to affect community development, but the mycelial dynamics within fungal communities are poorly understood.

In this thesis the diversity and temporal dynamics within fungal communities in Norway. Cir. 35 pp. -- and Wadsworth, F. Forest and fungus succession in the lower Yukon Valley.

Forest succession is the change over time of the plants and animals in a forest as it matures. It is a cyclic process because a disturbance, such as a forest fire, can start the forest back at the beginning.

such as insects, fungi and microorganisms, returning their nutrients to the soil. Plants also feed animals that will eventually die. Conservation has largely focused only on selected stages of forest succession (e.g., late‐seral stages).

However, to develop comprehensive conservation strategies and to understand the impact of forest management on biodiversity, a quantitative understanding of how different trophic groups vary over the course of succession is needed.

J TORREY BOT SOC) Journal description. The Journal of the Torrey Botanical Society (until the Bulletin of the Torrey Botanical Club), the oldest botanical journal in the Americas, has as its. Chapter 2. Pennsylvania's Forest Heritage A brief history of Penn's Woods Cutting down the trees —Early lumbering —The "Great Clearcut" The forest today Too many deer Impact of pests and diseases Native versus introduced species Rare species Forest succession Major forest types The value of trees.

Chapter 3. Descriptions, Illustrations, and. Welcome Blueberry Lake is a very special place – a beautiful lake surrounded by pristine forest, and centuries-old trees. In the heart of historic Temagami, but only a few hours paddle and a short portage from the Cassels Lake landing, Blueberry Lake is Temagami in a microcosm.

It’s Ojibway name is Min Dow-oways-zawning, which means [ ]. R.L. Chazdon, in Reference Module in Life Sciences, Chronosequences Versus Dynamics. Our current understanding of secondary forest succession in the tropics emerges primarily from chronosequence studies (Brown and Lugo, ).A chronosequence is a series of sites that differ in age since abandonment or disturbance, but otherwise occur on similar soil types and environmental.

It was particularly common in most valleys and hillsides at lower elevations in the s (Wilder70), is common in low-elevation disturbed forest (Merlin ), and is still quite common on lower mountain slopes and surrounding old irrigated taro terraces, such as in the Takuvaine Valley.

from book Ecosystem Services, a lack of mycorrhizal fungi is unlikely to limit plant succession, restoration, or reforestation in the pastures studied. lower montane forest (LM. Gadgets Purchased for the best prices.

Sell Gadgets Menu. Sell My iPod. The floodway zone of the Hoh River exhibits four terrace levels of different ages, formed by erosional activity of the river on valley fills.

The vegetation in this valley is in a long—term seral sequence as shown by the zonal pattern in relation to aging and development of these land surfaces. PI – Primary Succession on Yukon River Floodplains, USDA Forest Service, 07/01//30/12, $75,; PI – Feedbacks between river hydrology and terrestrial nitrogen dynamics in taiga forests,The Andrew W.

Description Forest and fungus succession in the lower Yukon valley FB2

Mellon Foundation, 6//05, $, And truly Buck was the Fiend incarnate, raging at their heels and dragging them down like deer as they raced through the trees.

It was a fateful day for the Yeehats. They scattered far and wide over the country, and it was not till a week later that the last of the survivors gathered together in a lower valley and counted their losses.

Mr. Lutz cites a report by D.V. Baxter and F.H. ("Forest and fungus succession in the Lower Yukon Valley", University of Michigan, School of Forestry and Conservation, Bul.

52 pp.). This report apparently is the only evidence of Valsa sordida being the fungus. If this is the stage of succession best suited to the prevailing climate, moisture, and soil, and is not by normal processes replaced by another plant community, we call it a climax forest.

It will remain indefinitely unless fire, clearing by man, or other disruptive forces set it back to start the succession. Forest Succession Forest cover types tend to change over time through the natural process of forest succession. Following a major disturbance such as a fire or windstorm (or a silvicultural treatment designed to create similar conditions), pioneer species normally invades a site.

Picea glauca, the white spruce, is a species of spruce native to the northern temperate and boreal forests in North America. Picea glauca was originally native from central Alaska all through the east, across southern/central Canada to the Avalon Peninsula in Newfoundland. It now has become naturalized southward into the far northern United States border states like Montana, Minnesota.

Major plant communities in this biome include: Forest: Mediterranean forests are generally composed of broadleaf trees, such as the oak and mixed sclerophyll forests of California and the Mediterranean region, the Eucalyptus forests of Southwest Australia, and the Nothofagus forests of central Chile.

Forests are often found in riparian areas, where they receive more summer water. older forests with lower tree densities so that an 2Farr, W. The effects of stand density upon growth and yield of hemlock-sprUce stands in coastal Alaska.

Unpublished study plan. Pacific Northwest Forest and Range Experiment Station, Forest Sciences Laboratory, Juneau, Alaska. Aspects of Succession in the Coniferous Forests of the Pacific Northwest Jerry F. Franklin and Miles A. Hemstrom Introduction Many forest phenomena achieve ultimate expression in the coniferous forests of coastal northwestern America.

Coniferous species dominance is, in itself, unusual in a moist temperate region (Waring and Franklin ). Tops Valley” to each student.

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After reading it, discuss the changes that took place during the course of the story. (Forest burned and slowly grew back; people grew up, got old, had children and grandchildren, died) 2.

Hand out copies of the succession sequence on page 44 to let students see how succession typically proceeds in a. The succession process in a forest is messy. And, essentially, unending.

Eventually a so-called “climax” forest could emerge. In northern New England, there are, broadly, two types — beech-birch-sugar maple and red spruce-balsam fir-eastern hemlock. Climax forest isn’t necessarily the ultimate end product we might see it as. After wildfires, emergency actions and post-fire management are implemented to mitigate fire damage.

Salvage logging is a tool often applied to burned stands, but despite being a post-fire forest management tool to restore ecosystem functions, its ecological effects remain poorly understood.

In the Mediterranean Basin, where land use and land-use change are bringing about changes in drought.GENERAL BOTANICAL CHARACTERISTICS: White fir is a large, native, coniferous tree.

Mature white fir trees in the central Sierra Nevada are to feet ( m) tall, and 40 to 80 inches ( m) dbh, but may grow larger [,].Rocky mountain white fir rarely exceeds feet (38 m) tall or 3 feet ( m) in diameter [].Bark on young trunks is smooth, gray and blistered with resin.

ABSTRACT. High-latitude ([degrees][degrees] N) graminoid plant communities located near the northern limit of boreal forest occurrence in the Carmacks-Pelly Crossing area of Yukon were sampled and classified, and four sociations were recognized: Calamagrostis purpurascens (purple reedgrass), Hesperostipa comata (needle-and-thread grass), Poa glauca-Artemisia frigida (glaucous.