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The resilience of Rubiaceae to anthropogenic factors: a case study from the Himalayan range of Western Bhutan Cover

The resilience of Rubiaceae to anthropogenic factors: a case study from the Himalayan range of Western Bhutan

Open Access
|Mar 2021

Figures & Tables

Figure 1

A map showing the study sites. (A) A map of Bhutan; (B) Map of Dagana, Chukha, and Thimphu districts; (C) Phuntsholing–Thujaydrak study area; (D) Dagachu–Dagala study area
A map showing the study sites. (A) A map of Bhutan; (B) Map of Dagana, Chukha, and Thimphu districts; (C) Phuntsholing–Thujaydrak study area; (D) Dagachu–Dagala study area

Figure 2

The summary of mean annual rainfall, relative humidity (RH), maximum, and minimum temperature of the study area during the period of 2008–2017; (A) Phuntsholing–Thujaydrak area; (B) Dagachu–Dagala area
The summary of mean annual rainfall, relative humidity (RH), maximum, and minimum temperature of the study area during the period of 2008–2017; (A) Phuntsholing–Thujaydrak area; (B) Dagachu–Dagala area

Figure 3

The diversity of trees, shrubs, and herbs in undisturbed forests (UDF), semi-disturbed forests (SDF), and highly disturbed forests (HDF) analyzed using Shannon-Wiener and Simpson diversity index
The diversity of trees, shrubs, and herbs in undisturbed forests (UDF), semi-disturbed forests (SDF), and highly disturbed forests (HDF) analyzed using Shannon-Wiener and Simpson diversity index

Figure 4

The species richness and diversity mean and 95% confidence interval across forest types
The species richness and diversity mean and 95% confidence interval across forest types

The species density of the Rubiaceae in three different forest types based on the prevalence of anthropogenic factors (UDF: undisturbed forests, SDF: semi-disturbed forests, HDF: highly disturbed forests, SD: standard deviation)

Species nameDensity (Mean + SD)
UDFSDFHDF
TreesCeriscoides campanulata Roxb.1.3 + 0.52.3 + 1.92.3 + 1.9
Hymenodictyon flaccidum Wall.2.0 + 0.82.5 + 0.30
Ixora undulata Roxb.02.3 + 1.01.3 + 0.5
Tarenoidea wallichi Hook.f.1.3 + 0.500
Wendlandia coriacea DC.3.0 + 0.83.3 + 1.32.3 + 0.9
Wendlandia grandis Cowan.2.8 + 0.92.3 + 1.50
Wendlandia heynei Stantapau & Marchant.4.0 + 0.84.5 + 1.32.8 + 1.7
Wendlandia puberula DC.3.0 + 0.84.3 + 2.22.3 + 1.5
Wendlandia speciosa Cowan.1.8 + 0.92.0 + 0.80.5 + 0.6
Wendlandia tinchoria DC.2.5 + 0.63.0 + 0.81.5 + 0.6
Wendlandia wallichi Wight & Arnott.2.3 + 0.91.3 + 0.90
ShrubsCatunaregam longispina Link.2.0 + 0.81.5 + 0.60
Chassalia curvifolia Wall.9.3 + 1.08.3 + 1.20
Himalrandia tetrasperma Roxb.3.5 + 1.04.0 + 1.82.8 + 0.9
Leptodermis amoena Springate.1.8 + 0.93.0 + 1.45.8 + 0.9
Leptodermis kumaonensis Parker.2.3 + 0.53.8 + 1.71.8 + 1.0
Leptodermis stapfiana Winkler.1.3 + 0.52.8 + 1.70
Luculia grandifolia Ghose.0.8 + 0.51.3 + 0.50
Luculia gratissima (Wall.) Sweet.3.8 + 1.31.8 + 0.91.8 + 0.9
Morinda angustifolia L.05.8 + 1.32.0 + 0.8
Mussaenda frondosa L.02.3 + 0.50.5 + 0.6
Mussaenda glabra Vahl.2.5 + 1.33.5 + 1.32.3 + 1.3
Mussaenda macrophylla Wall.01.8 + 1.03.8 + 1.0
Mussaenda roxburghii Hook.f.04.8 + 1.75.3 + 2.8
Mycetia longifolia (Wall.) Kuntze.7.0 + 1.800
Neohymenopogon parasiticus Wall.5.5 + 1.34.0 + 1.80
Oxyceros fasciculata Roxb.3.0 + 2.21.3 + 0.50
Pavetta subcapitata Hook.f.3.8 + 1.85.8 + 1.30
Psilanthus bengalensis (Sc.) Leroy.06.8 + 1.72.8 + 1.7
Rubiaceae sp. (Pentas)5.8 + 1.14.0 + 1.80
Spemadictyon suaveolons Roxb.09.5 + 1.39.3 + 1.7
Uncaria scandens (Sm.) Hutchinson.1.3 + 0.51.8 + 1.01.0 + 0.8
Uncaria sessilifructus Roxb.1.8 + 0.91.3 + 0.51.5 + 0.6
HerbsArgosteamma sarmentosum Wall.8.3 + 2.64.0 + 2.60
Argosteamma verticillatum Wall.9.8 + 2.25.8 + 2.80
Galium aparine L.5.8 + 1.04.8 + 0.95.3 + 2.6
Galium asperuloides Edgeworth.07.3 + 2.62.8 + 1.3
Galium craticulatum Mill.3.0 + 0.83.5 + 1.73.8 + 0.9
Galium sp.07.5 + 1.33.0 + 1.8
Hedyotis auricularia L.03.3 + 1.54.3 + 0.9
Hedyotis scandens Roxb.05.3 + 1.74.0 + 0.8
Hedyotis verticillata (L.) Lam.05.3 + 2.64.0 + 1.4
Neonatis ingrata Lewis.09.0 + 2.29.5 + 2.1
Oldenlandia corymbosa L.01.5 + 0.73.8 + 0.9
Ophiorrhiza fasciculata Roxb.10 + 1.89.8 + 0.90
Ophiorrhiza mungos L.10 + 0.89.8 + 1.70
Ophiorrhiza rugosa Wall.5.3 + 1.54.8 + 1.70
Paederia foetida L.3.8 + 1.05.8 + 1.74.3 + 1.5
Richardia brasillensis Gomes.009.5 + 1.9
Rubia cordifolia auct.2.3 + 1.32.8 + 1.02.0 + 0.8
Rubia manjith Roxb.02.5 + 1.32.8 + 1.7
Rubia sikkimensis Kurz.1.8 + 0.91.8 + 0.91.5 + 0.6
Spemacocea latifolia Aublet.05.8 + 2.16.0 + 2.6
Spermacoce mauritiana Gideon.05.5 + 3.56.3 + 1.3
DOI: https://doi.org/10.2478/oszn-2021-0003 | Journal eISSN: 2353-8589 | Journal ISSN: 1230-7831
Language: English
Page range: 13 - 20
Published on: Mar 31, 2021
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
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© 2021 Tobgay, Tenzin Jamtsho, Kitichate Sridith, published by National Research Institute, Institute of Environmental Protection
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.