Ericaceous Shrub Complex

Ericaceous Shrub Complex

Author: British Columbia. Forest Practices Branch

Publisher: British Columbia, Forest Practices Branch, Ministry of Forests

Published: 1997

Total Pages: 11

ISBN-13: 9780772631626

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"This operational summary provides information about vegetation management in the ericaceous shrub complex. The complex is dominated by the following shrubs: false azalea (Menziesia ferruginea), white-flowered rhododendron (Rhododendron albiflorum), oval-leaved blueberry (Vaccinium ovalifolium), and black huckleberry (Vaccinium parvifolium). The dominant herb is Sitka valerian (Valeriana sitchensis) on fresh to moist sites. Other herbs that may invade following harvest include: fireweed, woodrush, red elderberry, mountain ash, foamflower, mountain arnica, twisted stalk, and Indian hellebore. Topics covered in this summary include development of the complex and its interaction with crop trees; non-timber values and pre-harvest considerations; and management strategies for current and backlog sites."--Unedited text from document.


Effects of Operational Brushing on Conifers and Plant Communities in the Southern Interior of British Columbia

Effects of Operational Brushing on Conifers and Plant Communities in the Southern Interior of British Columbia

Author: Suzanne Simard

Publisher:

Published: 2001

Total Pages: 428

ISBN-13:

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This handbook contains information on the effects of operational brushing treatments on conifers & plant communities in the Kamloops and Nelson forest regions of British Columbia. Data were collected over a nine-year period from 96 individual PROBE (PRotocol for Operational Brushing Evaluations) trials. The first three sections present an introduction to the PROBE program, its objectives, and the research methodology. Sections 4 to 11 contain detailed analyses for eight vegetation complexes (fireweed, fern, mixed shrub, ericaceous shrub & subalpine herb, dry alder, wet alder, aspen, and mixed broadleaf/shrub complex). Each of these sections contains an abstract, an introduction, site descriptions, results, discussion, conclusions, and management implications. The final section is an overall summary and management recommendation. Appendices include information about the willow and pinegrass complexes, a summary of results for unreplicated treatments involving those communities, and summary tables of information about PROBE sites that presently represent unreplicated treatment cells.


Herbaceous Plant Ecology

Herbaceous Plant Ecology

Author: Arnold van der Valk

Publisher: Springer Science & Business Media

Published: 2009-08-03

Total Pages: 356

ISBN-13: 904812798X

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recruitment of adult plants in entire communities, and all of them focus on changes in total densities of A central issue of plant ecology is the understanding individuals and do not refer to changes in community of the relative role of different life history stages in structure (Moles and Drake 1999; Rebollo et al. successful plant recruitment. The consecutive stages 2001; Goldberg et al. 2001). This ?eld of research of seed, seedling, and adult are related to each other has hardly been explored empirically, and we think it in a complex way that largely depends on species and may reveal interesting mechanisms for the regulation the in?uence of physical and biological factors of individual density and species diversity in plant (Goldberg et al. 2001), for example, irrigation and communities. At the functional group level (which grazing. As a result of relationships between these sorts species according to common features), we stages, the consequences of an ecological factor expect differences depending on growth form depend on the way that its effects propagate onto the (grasses versus forbs) and depending on seed mass following stage of the recruitment process. As far as (differences between small-seeded, medium-seeded, we know, there are no published studies that have and large-seeded species). Some authors (Goldberg addressed this subject. et al. 2001; Rebollo et al. 2001) studying annual In this article, we characterize the relationships plant communities have found greater seedling between the three plant developmental stages.


Chemical Ecology of Plants: Allelopathy in Aquatic and Terrestrial Ecosystems

Chemical Ecology of Plants: Allelopathy in Aquatic and Terrestrial Ecosystems

Author: Inderjit

Publisher: Birkhäuser

Published: 2012-12-06

Total Pages: 274

ISBN-13: 3034881096

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Allelochemicals play a great role in managed and natural ecosystems. Apart from plant growth, allelochemicals also may influence nutrient dynamics, mycorrhizae, soil chemical characteristics, and microbial ecology. Synergistic action of various factors may better explain plant growth and distribution in natural systems. The book emphasizes the role of allelochemicals in shaping the structure of plant communities in a broader ecological perspective. The book addresses the following questions: (1) How do allelochemicals influence different components of the ecosystem in terms of shaping community structure? (2) Why is it difficult to demonstrate interference by allelochemicals (i.e., allelopathy) in a natural system in its entirety? Despite a large amount of existing literature on allelopathy, why are ecologists still skeptical about the existence of allelopathy in nature? (3) Why are there only scarce data on aquatic ecosystems? (4) What role do allelochemicals play in microbial ecology?.....


The Creative Shrub Garden

The Creative Shrub Garden

Author: Andy McIndoe

Publisher: Timber Press

Published: 2014-07-29

Total Pages: 249

ISBN-13: 1604694343

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In The Creative Shrub Garden, author Andy McIndoe calls on his years of horticultural design experience to shine light on all of the innovative ways to stylishly work shrubs into your landscape. This is a new approach to planning your garden—by mood and style. Whether it’s an urban contemporary look, a cottage garden feel, or an uplifting an environment, The Creative Shrub Garden has a wealth of eye-catching combinations that bring new life to this classic plant.


A Preliminary Classification of Wetland Plant Communities in North-central Minnesota

A Preliminary Classification of Wetland Plant Communities in North-central Minnesota

Author: Lewis M. Cowardin

Publisher:

Published: 1973

Total Pages: 40

ISBN-13:

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A classification of wetland plant communities was developed for a study area in north-central Minnesota in order to analyze data on waterfowl use of habitat that were gathered by radio telemetry. The classification employs features of several earlier classifications in additino to new classes for bogs and lakeshore communities. Brief descriptions are given for each community, and the important plant species are listed. Discriminant function analysis was used for 40 plant species. Seventy-five percent of the stands studied were classified correctly by this technique. Average probabilities of assignment to communities were calculated and helped to identify distinct and poorly defined communities as well as the relationship among communities.


Mineral Nitrogen In The Plant-Soil System

Mineral Nitrogen In The Plant-Soil System

Author: R Haynes

Publisher: Elsevier

Published: 2012-12-02

Total Pages: 497

ISBN-13: 0323148166

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Mineral Nitrogen in the Plant-Soil System provides integrated accounts of the transformations and fate of mineral nitrogen in the plant-soil system. This book emphasizes the understanding of various processes and the factors that affect these processes. It also focuses on the role of biological nitrogen fixation in nitrogen cycling in natural and agricultural systems. The book is divided into seven major chapters and each chapter is further subdivided into various subtopics. The first chapter introduces and outlines the origin, distribution, and cycling of nitrogen in natural and agricultural terrestrial ecosystems. Chapter 2 focuses on the processes of decomposition and mineralization-immobilization turnover. The processes of nitrification are discussed in detail in Chapter 3. The following four chapters discuss topics of retention and movement of nitrogen in soils; gaseous losses of nitrogen; uptake and assimilation of mineral nitrogen by plants; and lastly, the use of nitrogen in agronomic practice. The book will be invaluable to graduate students and researchers in the field of agriculture. This will also cater other parties interested, such as agronomists, soil scientists, plant physiologists, horticulturists, and foresters.