Range plant community types and carrying capacity for the subalpine and alpine subregions : first approximation /

Willoughby, Michael; Alexander, Michael J.

doi:10.5962/bhl.title.104473

Cited by 3 publications

(7 citation statements)

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“…Vegetation patterns arising from the above parameters were identified and are described in this report. Where possible, vegetation community types identified during the course of this study correspond to the types defined in Archibald et al (1996), Willoughby et ai (1996) and Willoughby and Smith (1996).…”

Section: Discussionmentioning

confidence: 84%

“…These included Range plant community types and carrying capacity for the Subalpine Subregions. First approximation (Willoughby and Smith 1996), Range plant community types and carrying capacity for the Montane Subregion (Montane Ecoregion). Second approximation and Field guide to ecosites of southwestern Alberta (Archibald et al 1996).…”

Section: Preliminary Interpretationmentioning

confidence: 99%

“…Twenty-one vegetation community types were identified within the Whaleback study area. Due to the amount of variability throughout the study area, community types are only broadly defined, but where possible, correspond to ecosites identified in Archibald et al (1996) and range types of Willoughby and Smith (1996) and . As well, because of time constraints during the survey and because there is fairly extensive information on the grasslands from range management planning initiatives, a limited number of microplots were done in each site.…”

Section: Description Of Vegetation Community Typesmentioning

confidence: 99%

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Biophysical inventory, significant, sensitive and disturbance features of the Whaleback area /

Bradshaw¹,

Alberta.²

1997

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Section: Discussionmentioning

confidence: 84%

Section: Preliminary Interpretationmentioning

confidence: 99%

Section: Description Of Vegetation Community Typesmentioning

confidence: 99%

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Biophysical inventory, significant, sensitive and disturbance features of the Whaleback area /

Bradshaw¹,

Alberta.²

1997

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“…For example, Willoughby (1999) conducted research on population carrying capacity of grasslands; Shelby and Heberlein (1986) of fallows; and Doenges et al . (1999) of public water supply systems.…”

Section: Literature Reviewmentioning

confidence: 98%

“…The relatively wealthy level is US$6000, which is the lower limit of high income countries in World Development Report (1991); developed level is US$9266, which is the lower limit of high income countries in World Development Report (2001/2002.…”

Section: Notesmentioning

confidence: 99%

Future Prospects for Population Development in Shanghai

Peng¹,

Xiu-yun

Han

2005

Asian Population Studies

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This study analyses the future goals of population development in Shanghai from the viewpoint of population carrying capacity and ecological footprint. The population carrying capacity is one of the fundamental factors researchers and policy-makers need to take into account in managing and planning the development of a country or a region. This study focuses on the case of Shanghai, based on previous ecological footprint analysis, and builds a comprehensive index evaluation model. By applying basic principles of multi-goal decision-making analysis and operating methods of system dynamics, it calculates population carrying capacity corresponding to different standards that resource-economic factors can support. It further explores issues related to population change in the metropolis and relevant policy measures.

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A Phytosociological Study of Glacier National Park, Montana, U.S.A., with Notes on the Syntaxonomy of Alpine Vegetation in Western North America

Damm¹

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The alpine and parts of the subalpine vegetation of Glacier National Park, Montana, USA, are investigated using the European phytosociological method of Braun-Blanquet.Based on data of about 700 detailed plot samples, a syntaxonomical classification is presented. The holarctic classes Carici rupestris-Kobresietea bellardii Ohba 1974, Thlaspietea rotundifolii Br.-Bl. 1947, and Salicetea herbaceae Br.-Bl. 1947 reasonably accommodate the Glacier NP alpine vegetation. Local units have been organised in 3 classes, 6 orders, 12 alliances, 32 associations, 26 subassociations, 10 variants, and 7 other communities. For each of these, detailed descriptions are provided. Syntaxonomical rank and circumscription, chorology, ecology, and succession dynamics are discussed.In order to accommodate the alpine vegetation of Glacier NP, an area much wider than the study area had to be reviewed, covering the Rocky Mountains south of 53°N, and including the interior ranges to the west and the western coastal mountains north of central Oregon.An overview of western North American alpine vegetation units is presented by means of synoptic tables. Drawn from these tables are conclusions for the syntaxonomic system of the western North American alpine. In the Carici-Kobresietea, a new order of alpine fellfield communities, Arenario obtusilobae-Festucetalia brachyphyllae ord. nov., is created, comprising a southern and a north-central suborder.In the snowbed class Salicetea herbaceae, a western North American subclass, Junco drummondii-Sibbaldienea procumbentis subclass. nov. is created, which holds four orders. These are Caricetalia nigricantis ord. nov., Sibbaldio-Caricetalia pyrenaicae Komárková 1979, Phyllodoco-Cassiopetalia Brooke et al. ex Damm, and Valerianetalia sitchensis Brett et al. ex Damm. The Caricetalia nigricantis and the Valerianetalia sitchensis are divided into a western-coastal and interior cordilleran alliance each.A number of previously described units are validated according to the Code of Phytosociological Nomenclature (CPN) or newly combined into the present system. Buellia geophila:In most cases at least a few 3-4 celled spores occur which acc. to Knoph (University of Jena, pers. communication) refers them to B. geophila. In some cases only 2celled spores occur. Specimens with that condition were called Buellia papillata. Since the presence of 3-4 celled spores was very scarce in all cases, it does not seem to be a very convincing character to tell these species apart.Caloplaca cf. fraudans.: A common taxon with distinct dark-orange apothecia mostly occurring on arenitic rock and usually without any discernable thallus was called C. fraudans cf. Caloplaca jungermanniae:In some cases specimen with smaller apothecia might have been confused with C. tiroliensis. Both species are very common in the study area.Caloplaca sinapisperma: This species closely resembles C. tetraspora and might have been confused with it occasionally. Candelariella vitellina:Only occasionally have the apothecia of this species been sectioned....

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Range plant community types and carrying capacity for the subalpine and alpine subregions : first approximation /

Cited by 3 publications

References 0 publications

Biophysical inventory, significant, sensitive and disturbance features of the Whaleback area /

Biophysical inventory, significant, sensitive and disturbance features of the Whaleback area /

Future Prospects for Population Development in Shanghai

A Phytosociological Study of Glacier National Park, Montana, U.S.A., with Notes on the Syntaxonomy of Alpine Vegetation in Western North America

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