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Monday, July 27, 2020 | History

4 edition of Effects of modified skidding rules on mixed conifer advance regeneration in Arizona found in the catalog.

Effects of modified skidding rules on mixed conifer advance regeneration in Arizona

Gerald J. Gottfried

Effects of modified skidding rules on mixed conifer advance regeneration in Arizona

by Gerald J. Gottfried

  • 240 Want to read
  • 10 Currently reading

Published by USDA Forest Service, Rocky Mountain Forest and Range Experiment Station in [Fort Collins, Colo.] .
Written in English

    Subjects:
  • Log transportation -- Environmental aspects -- Arizona,
  • Logging -- Environmental aspects -- Arizona,
  • Forest regeneration -- Arizona

  • Edition Notes

    StatementGerald J. Gottfried
    SeriesResearch note RM -- 479
    ContributionsRocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    The Physical Object
    FormatMicroform
    Pagination8 p.
    ID Numbers
    Open LibraryOL13614882M

    The basal area of uncut overstory increased gradually during the first 5 years of the study ().However, between the first and third years mean residual basal area (m 2 ha −1) decreased from to in the PC50 treatment, from to in the PC treatment, and from to in the clearcut results reflect a greater windthrow risk to both conifers and hardwoods Cited by:   Natural regeneration patterns of conifer species were studied. Seedling regeneration follows patterns responding to stand structure and site condition factors along shade and drought tolerance gradients. Our findings can assist in adaptive forest management for maintaining sustainable regeneration and plant biodiversity. Seedling regeneration can vary with stand factors of overstory Cited by: 3.

    NITROGEN-INDUCED CHANGES IN SEEDLING REGENERATION AND DYNAMICS OF MIXED CONIFER–BROAD-LEAVED FORESTS S. CATOVSKY,1,3 R. K. KOBE,2,4 AND F. A. B AZZAZ1 1Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts USA 2Department of Forestry, Michigan State University, East Lansing, Michigan USA. Predicting conifer establishment post wildfire in mixed conifer forests of the North American Mediterranean-climate zone KEVIN R. WELCH, 1, HUGH D. SAFFORD,2,3 AND TRUMAN P. Y OUNG 1 1Department of Plant Sciences, University of California, Davis, California USA 2USDA Forest Service, Pacific Southwest Region, Club Drive, Vallejo, California USACited by:

    Recommended Citation. Ffolliott, P.F. and Gottfried, G.J., "Mixed conifer and aspen regeneration in small clearcuts within a partially harvested Arizona mixed conifer forest" ().Cited by: 7. Southwestern mixed conifer. Low-severity fires were more frequent in some mixed conifer forests; but, in general, mixed conifer forests have historically tended to be heterogeneous mixtures in which species composition, forest structure, and fuel loads change over short Size: 2MB.


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Effects of modified skidding rules on mixed conifer advance regeneration in Arizona by Gerald J. Gottfried Download PDF EPUB FB2

Effects of modified skidding rules on mixed conifer advance regeneration in Arizona by Gottfried, Gerald J; United States. Forest Service; Rocky Mountain Pages: Get this from a library. Effects of modified skidding rules on mixed conifer advance regeneration in Arizona.

[Gerald J Gottfried; United States. Forest Service.; Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)]. Gottfired, G.

Effects of modified skidding rules on mixed conifer advance regeneration in Arizona. Research Note Rocky Mountain Forest and Range Cited by: 1. Effects of modified skidding rules on mixed conifer advance regeneration in Arizona Author: Gerald J Gottfried ; Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.).

Effects of modified skidding rules on mixed conifer advance regeneration in Arizona. By G.J. Gottfried. Topics: Natural regeneration, advance growth, Author: G.J. Gottfried. Effects of modified skidding rules on mixed conifer advance regeneration in Arizona / Gerald J.

: Gerald J. Gottfried. Buy Effects of modified skidding rules on mixed conifer advance regeneration in Arizona (SuDoc A RM ) by Gerald J. Gottfried (ISBN:) from Amazon's Book Store. Everyday low prices and free delivery on eligible : Gerald J. Gottfried. Abstract:We investigated the effects of mixed conifer-deciduous canopies on the spatial patterns and growth of understorey saplings of dominant subalpine evergreen conifers.

The distributions of Abies mariesii and of Abies veitchii saplings were significantly clumped at the microsites north of canopy trees of the deciduous Betula by: Effects of cattle and deer on regenerating mixed conifer clearcuts Grazing, as a vegetation management tool, : B.H.

Kosco, J.W. Bartolome. sure that you select the right method to encourage the type of regeneration that will meet your management objectives. This booklet and the accompanying slide-tape presentation are designed to provide a concise summary of the ecology and silviculture of mixed conifer forests in the Size: 3MB.

Our observation that advance regeneration was common in all stands regardless of whether treatments included prescribed fire raises important questions with respect to advance regeneration in dry mixed conifer forests. First, the conditions under which advance regeneration is likely to release following treatments are not by: 6.

Resilience and regeneration after wildfire in dry mixed-conifer forests of the U.S. northern Rockies 1. Westerling et al. Increase in the frequency of large Combined effects of 20th century management have led to changes in: species composition, stand density.

Forest regeneration is a key element in achieving sustainable forest management. Partial harvest methods have been used extensively in temperate broadleaf and mixedwood ecosystems to promote regeneration on poorly stocked sites and to maintain forest composition and productivity.

However, their effectiveness in promoting conifer establishment has yet to be demonstrated in Cited by: Mixed Conifer Habitat. Habitat Description, Status and Importance. Mixed conifer is a common forest habitat in northern Arizona found primarily in the White Mountains, the Mogollon Rim and on the Kaibab Plateau, with limited distribution on mountain islands in southeastern Arizona.

Similar habitats are found throughout the Rocky Mountains. Failure of conifer regeneration in the presence of thick ericaceous understory is a widespread phenomenon in Europe and North America, causing significant loss of forest productivity.

Plants such as bilberry, crowberry, heather, Labrador tea and sheep laurel are known to cause growth inhibition in conifers such as Norway spruce, Scots pine. s, fires in warm/dry mixed-conifer forests of the Southwest were relatively frequent and low severity.

For example, Swetnam and Baisan () provided a summary of tree-ring studies conducted at 24 mixed-conifer sites in Arizona and New Mexico, and. Managing competing vegetation is crucial in stand establishment strategies; forecasting the abundance, composition, and impact of competing vegetation after harvesting is needed to optimize silviculture scenarios and maintain long-term site productivity.

Our main objective was to identify factors influencing the short-term abundance and composition of competing vegetation over a large area of Cited by: 2. Taken together, these conditions create challenges for managers aiming to reestablish natural fire patterns and sustain mixed-conifer forests.

To limit the dominance of resprouting shrubs and facilitate conifer regeneration after overstory thinning and prescribed fire, managers may need to consider new or more intensive approaches to forest.

Mixed Conifer Ecosystem Warm/dry mixed conifer forests in the Southwest are generally located at the lower elevation of the continuum on predominately southerly aspects.

These forests are dominated by fire resistant ponderosa pine (P. ponderosa) and Douglas-fir (Pseudotsuga menziesii) and also includes species adapted to mesic conditions such as. PDF | On Oct 1,Estefanía Tobajas and others published Microhabitat types originated by quarry activities: bees and vegetation associated | Find, read and cite all the research you need on.

Fire severity effects on conifer regeneration and other factors. Mean conifer seedling densities were unimodally related to fire severity: They were highest at low‐moderate and high‐moderate fire severities, lowest at high fire severity, and intermediate in the unburned controls and low severity (Fig.

6; F =P Cited by: The suite of species available for regeneration of a site, large or small, is a cumulative effect of disturbances and varies across multiple environmental gradients that include moisture.

We established a long-term experiment in a temperate mixedwood stand to evaluate the effectiveness of silvicultural treatments in regenerating a mixed-species cohort while maintaining the dominance of conifers.

Silvicultural treatments included clearcutting using careful logging around advanced growth (CLAAG), uniform shelterwood (US), group shelterwood with (GS-s) or without Cited by: 1.