6 Works

Data from: Evolution and biogeography of Memecylon

Prabha Amarasinghe, Sneha Joshi, Navendu Page, Lahiru S. Wijedasa, Mary Merello, Hashendra Kathriarachchi, Robert Douglas Stone, Walter Judd, Ullasa Kodandaramaiah & Nico Cellinese
Premise The woody plant group Memecylon (Melastomataceae) is a large clade occupying diverse forest habitats in the Old World tropics and exhibiting high regional endemism. Its phylogenetic relationships have been previously studied using ribosomal DNA with extensive sampling from Africa and Madagascar. However, divergence times, biogeography, and character evolution of Memecylon remain uninvestigated. We present a phylogenomic analysis of Memecylon to provide a broad evolutionary perspective of this clade. Methods One hundred supercontigs of 67...

Trends in morphological relationships among Gangetic Cyprinids

Arvind Dwivedi, Hariom Verma, Saurabh Dewan & Sushil Verma
Cyprinidae is the predominant and most diverse taxonomic group of freshwater fishes, exhibiting enormous diversity in shape, size and biology. The morphological diversity of Indian Cyprinids especially the Gangetic Cyprinids is largely unquantified. Geometric morphometrics (GM) approach is an efficient tool to quantify overall body shape variations and has wide application in taxonomic, evolutionary and ecological studies. In this study, digital photographs of 47 Cyprinid fish species from Ganga River were used to measure geometric...

Diversification of body shape in catfishes of the Ganga River

Arvind Dwivedi, Hariom Verma & Saurabh Dewan
Catfishes of the order Siluriformes are an exceptionally diverse group occupying significant fraction of the world's freshwater ichthyofauna. Catfish species renders a model system for phylogenetic and evolutionary studies. However, there is dearth of knowledge on the phylogenetic history with reference to morphological diversity of catfishes in the Ganga River. Geometric morphometrics is an efficient approach to quantify shape variations and has lately found application in range of taxonomic, phylogenetic and evolutionary studies. This study...

Capture history of Asiatic black bear from Himachal Pradesh, India

Nilanjan Chatterjee, Ankita Bhattacharya, Kunal Angrish, Dharamveer Meena, Bitapi Sinha & Bilal Habib
Robust population estimation of rare or elusive threatened species lacking distinct identifiable features poses a challenge in the field of conservation and management. The Asiatic black bear (Ursus thibetanus) is one such species. Methodological frameworks—such as radiotelemetry, genetic sampling, and camera-trapping—though crucial and advantageous, sometimes require additional information through invasive methods for individual identification. In this study, we estimated the population density of Asiatic black bear in 2 protected areas in the Indian Himalayan Region...

Effects of canopy cover on fruiting intensity and fruit removal of a tropical invasive weed

Yukti V. Taneja, Navendu V. Page, R. Suresh Kumar & Rohit Naniwadekar
Lantana camara (hereafter, Lantana) is among the worst invasive alien plants spread extensively across Africa, Australia and Asia at an alarming rate, posing significant challenges to conservation of native biodiversity. While, Lantana invasion is widely recognised to be more pronounced in open-canopy habitats (including deciduous forests, forest edges and gaps), the potential role of variation in seed dispersal across habitats varying in overstory canopy cover is poorly understood. Avian frugivores are among primary seed dispersers...

Resources and seasonality drive the composition of mixed-species bird flocks along an elevational gradient in the Himalaya

Pranav Gokhale, R. Suresh Kumar, Umesh Srinivasan & Dhananjai Mohan
Mixed-species bird flocks are cohesive networks of interacting insectivorous bird species that benefit from reduced predation risk and/or enhanced resource access. We studied how species' propensity to participate in mixed flocks, and the number and strength of interspecific associations within flocks, changed along elevational (low, mid, high) and seasonal (winter, spring) gradients in the western Himalaya. We expected species to have high propensities, and greater number and strength of interspecific associations when resources are scarce,...

Registration Year

  • 2022
    6

Resource Types

  • Dataset
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Affiliations

  • Wildlife Institute of India
    6
  • Hemwati Nandan Bahuguna Garhwal University
    1
  • Nature Conservation Foundation
    1
  • Indian Institute of Science Education and Research, Thiruvananthapuram
    1
  • National University of Singapore
    1
  • University of Colombo
    1
  • Florida Museum of Natural History
    1
  • University of Florida
    1
  • Birsa Agricultural University
    1
  • Uttarakhand Forest Department
    1