Distribution pattern of vascular plant species of mountains in Nepal and their fate against global warming

Subedi, Suresh C.; Bhattarai, Khem Raj; Chauudhary, Ram Prasad

doi:10.1007/s11629-015-3495-9

Cited by 18 publications

(18 citation statements)

References 44 publications

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“…Many taxonomic groups exhibit a unimodal pattern in species richness along elevational gradients (Guo et al 2013, Subedi et al 2015, Kluge et al 2017, Guo et al 2018), and we observed a similar pattern for Himalayan gymnosperms. There are numerous explanations that have been proposed to explain this elevational richness pattern, but our results highlight the importance of climatic tolerances in explaining gymnosperm distribution in the Himalayas.…”

Section: Species Richness Patterns Along Elevation Gradientsupporting

confidence: 73%

Gymnosperm species richness patterns along the elevational gradient and its comparison with other plant taxonomic groups in the Himalayas

Subedi¹,

Bhattarai²,

Perez³

et al. 2020

Frontiers of Biogeography

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Section: Species Richness Patterns Along Elevation Gradientsupporting

confidence: 73%

Gymnosperm species richness patterns along the elevational gradient and its comparison with other plant taxonomic groups in the Himalayas

Subedi¹,

Bhattarai²,

Perez³

et al. 2020

Frontiers of Biogeography

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“…The study revealed that tree species found in this part of Himalaya exhibited a pattern of distribution along different altitudinal and climatic gradients (Subedi et al 2015). Tree species richness was observed to be highest (47 species) below 2000 m elevational zone, followed by 2500-3000 m (26) and 3000-3500 m (20) and lowest (3 species) above 3500 m. More than two-third of plant species were encountered at the elevation range below 2000 m, where the temperature range was found fluctuating between 8 and 37°C.…”

Section: Discussionmentioning

confidence: 96%

Effect of altitudinal gradients on forest structure and composition on ridge tops in Garhwal Himalaya

Sharma

Mishra

Tiwari

et al. 2017

Energ. Ecol. Environ.

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Ridge top ecosystems (RTEs) are considered to be more sensitive to global warming as they are characterized by uniform sunlight exposure and low human interferences and hence are perfect places for monitoring and comparing the effects of climate change in species composition. The present study was carried out on RTEs of four different mountain ranges, viz. (1) NarendranagarHindolakhal (2) Mussoorie-Dhanolti (3) ChaurangikhalHarunta and (4) Dayara-Gidara, along altitudinal gradient (situated below 2000 to above 3500 m), in Garhwal Himalaya to understand the variation in tree composition and distribution range. 0.1 ha-sized sample plot was used to analyze the tree species, whereas 5 m 9 5 m for saplings and 1 m 9 1 m for seedlings. The tree layers on RTEs were consisted of total 69 tree species, belonging to 55 genera and 39 families. Shorea robusta, Pinus roxburghii, Rhododendron arboreum, Quercus leucotrichophora, Q. floribunda, Q. semecarpifolia, Cedrus deodara, Pinus wallichiana and Abies spectabilis were found as the dominant and well-occupied tree species on the RTEs from lower to higher elevations. The mean stand density was recorded as 597 ± 29 trees ha -1 (ranged between 546 and 616 trees ha -1 ) with a mean basal cover of 77.25 ± 17.90 m 2 ha -1 (ranged between 54.43 and 102.83 m 2 ha -1). A traditional pattern for tree diversity was recorded which decreased with increasing altitude. The detrended correspondence analysis ordination plot clumped the species together which shared the same habitat and environmental conditions which revealed that elevation and geographic location were the dominant factors for regional differences in species composition among RTEs.

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“…At the local level, the climatic response of vegetation is regulated by both abiotic factors and biotic interactions (Case and Duncan 2014;Wieser et al 2014;Müller et al 2016). As a result, in mountains climate change is reflected in both the growth and development process of plants and their distribution ranges (Gottfried et al 1999(Gottfried et al , 2012Körner 2000Körner , 2009Gonzalez et al 2010;Subedi et al 2015;Rumpf et al 2018). Inconsistent and sometimes contradictory responses to the warming (both positive and negative) observed in empirical studies can be explained by the complexity of interacting factors on local and individual scales (Wilmking et al 2004(Wilmking et al , 2005Lyu et al 2016;Latreille et al 2017;Wypych et al 2018), but this question is far from being completely answered.…”

Section: Introductionmentioning

confidence: 99%

Divergent growth trends and climatic response of Picea obovata along elevational gradient in Western Sayan mountains, Siberia

et al. 2018

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In mountain ecosystems, plants are sensitive to climate changes, and an entire range of species distribution can be observed in a small area. Therefore, mountains are of great interest for climate-growth relationship analysis. In this study, the Siberian spruce"s (Picea obovata Ledeb.) radial growth and its climatic response were investigated in the Western Sayan Mountains, near the Sayano-Shushenskoe Reservoir. Sampling was performed at three sites along an elevational gradient: at the lower border of the species range, in the middle, and at the treeline. Divergence of growth trends between individual trees was observed at each site, with microsite landscape-soil conditions as the most probable driver of this phenomenon. Cluster analysis of individual treering width series based on inter-serial correlation was carried out, resulting in two subset chronologies being developed for each site. These chronologies appear to have substantial differences in their climatic responses, mainly during the cold season. This response was not constant due to regional climatic change and the local influence of the nearby Sayano-Shushenskoe Reservoir. The main response of spruce to growing season conditions has a typical elevational pattern expected in mountains: impact of temperature shifts with elevation from positive to negative, and impact of precipitation shifts in the opposite direction. Chronologies of trees, growing under more severe micro-conditions, are very sensitive to temperature during September-April and to precipitation during October-December, and they record both inter-annual and long-term climatic variation. Consequently, it would be interesting to test if they indicate the Siberian High anticyclone, which is the main driver of these climatic factors.

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Distribution pattern of vascular plant species of mountains in Nepal and their fate against global warming

Cited by 18 publications

References 44 publications

Gymnosperm species richness patterns along the elevational gradient and its comparison with other plant taxonomic groups in the Himalayas

Gymnosperm species richness patterns along the elevational gradient and its comparison with other plant taxonomic groups in the Himalayas

Effect of altitudinal gradients on forest structure and composition on ridge tops in Garhwal Himalaya

Divergent growth trends and climatic response of Picea obovata along elevational gradient in Western Sayan mountains, Siberia

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