Local and landscape level variables influence butterfly diversity in critically endangered South African renosterveld

2018 ◽  
Vol 23 (2) ◽  
pp. 225-237 ◽  
Author(s):  
Emmeline N. Topp ◽  
Jacqueline Loos
Keyword(s):  
South African ◽  
Critically Endangered ◽  
Butterfly Diversity ◽  
Landscape Level

Landscape-level habitat management plan through geometric reserve design for critically endangered Hangul (Cervus hanglu hanglu)

2021 ◽  
pp. 146031
Author(s):  
Tanoy Mukherjee ◽  
Vandana Sharma ◽  
Lalit Kumar Sharma ◽  
Mukesh Thakur ◽  
Bheem Dutt Joshi ◽  
...  
Keyword(s):  
Habitat Management ◽  
Management Plan ◽  
Reserve Design ◽  
Critically Endangered ◽  
Landscape Level

scholarly journals Additional record and conservation measures of Ceropegia odorata Nimmo ex J. Graham from Gujarat State, India

2017 ◽  
Vol 9 (8) ◽  
pp. 10618
Author(s):  
S. K. Patel ◽  
B. L. Punjani ◽  
P. R. Desai ◽  
V. B. Pandey ◽  
Y. S. Chaudhary ◽  
...  
Keyword(s):  
Plant Species ◽  
Critically Endangered ◽  
Endangered Plant ◽  
Gujarat State ◽  
Participatory Approaches ◽  
Sabarkantha District ◽  
Associated Species ◽  
Level Monitoring ◽  
Landscape Level

Ceropegia odorata Nimmo ex J. Graham (Apocynaceae: Asclepiadoideae) a Critically Endangered plant species from India was recorded in Gujarat after about 45 years in Vijaynagar forest of Sabarkantha District (northern Gujarat).  It was first collected from Pavagadh in central Gujarat.  Long-term conservation and participatory approaches, details on macro- and micro-habitats, associated species, landscape level monitoring programs are suggested for the new recorded locality and hill ranges. 

scholarly journals Use of Landscape-level River Signatures in Conservation Planning: a South African Case Study

2002 ◽  
Vol 6 (2) ◽  
Author(s):  
Dirk Roux ◽  
Ferdy de Moor ◽  
Jim Cambray ◽  
Helen Barber-James
Keyword(s):  
South African ◽  
Conservation Planning ◽  
Landscape Level

scholarly journals Landscape level assessment of critically endangered vegetation of Lakshadweep islands using geo-spatial techniques

2013 ◽  
Vol 122 (2) ◽  
pp. 271-281 ◽  
Author(s):  
C SUDHAKAR REDDY ◽  
BIJAN DEBNATH ◽  
P HARI KRISHNA ◽  
C S JHA
Keyword(s):  
Critically Endangered ◽  
Landscape Level ◽  
Lakshadweep Islands

scholarly journals Herpetofauna of the Amarkantak Plateau in central India

2020 ◽  
Vol 27 (3) ◽  
pp. 397-410
Author(s):  
Mukesh Ingle
Keyword(s):  
Biosphere Reserve ◽  
Central India ◽  
Critically Endangered ◽  
Type Locality ◽  
Sacred Grove ◽  
Mountain Range ◽  
The Core ◽  
Narmada River ◽  
Landscape Level

I conducted herpetofaunal surveys in poorly explored sections of Central India: The Amarkantak Plateau; The Son, Johila, and Narmada river lowlands; parts of the Maikal Mountain Range; and pockets of the core zone area of Achanakmar-Amarkantak Biosphere Reserve. I recorded a total of 61 species (17 amphibian and 44 reptilian). Noteworthy findings included the rediscovery of the Critically Endangered Sacred Grove Bush Frog (Philautus sanctisilvaticus) at its type locality after 54 years, new state records for Dobson’s Burrowing Frog (Sphaerotheca dobsonii) and Beddome’s Grass Skink (Eutropis beddomii), and significant new distributional records for a number of species. This study highlights the importance of landscape-level, long-term fieldwork to untangle the hidden diversity of the Amarkantak Plateau.

scholarly journals Dietary specialisation in a Critically Endangered pipefish revealed by faecal eDNA metabarcoding

2021 ◽  
Author(s):  
Ofentse K. Ntshudisane ◽  
Arsalan Emami-Khoyi ◽  
Gavin Gouws ◽  
Sven-Erick Weiss ◽  
Nicola C. James ◽  
...  
Keyword(s):  
South African ◽  
Captive Breeding ◽  
Decapod Crustacean ◽  
Single Species ◽  
Critically Endangered ◽  
Population Declines ◽  
Calanoid Copepods ◽  
Faecal Dna ◽  
Dietary Requirements ◽  
Agricultural Use

AbstractThe estuarine pipefish, Syngnathus watermeyeri, is one of the rarest animals in Africa and occurs in only two South African estuaries. The species was declared provisionally extinct in 1994, but was later rediscovered and is currently listed by the IUCN as Critically Endangered. A conservation programme was launched in 2017, with the re-introduction of captive-bred individuals into estuaries where this species was recorded historically was the main aims. Successful captive breeding requires knowledge of the species’ dietary requirements. In the present study, we used metabarcoding of faecal DNA to identify prey species consumed by wild-captured S. watermeyeri from one of the two surviving populations. We compared the diet of the estuarine pipefish with that of the longsnout pipefish, S. temminckii, in the same estuary, to determine whether these two species compete for the same prey items. Both species occupy similar estuarine habitats, but S. temminckii has a much wider distribution and also occurs in the marine environment. Our results show that even though both pipefish species prey on three major invertebrate classes (Gastropoda, Malacostraca and Maxillopoda), the relative proportions differ. Syngnathus watermeyeri primarily targets Maxillopoda, with a single species of calanoid copepod constituting >95% of the Amplicon Sequence Variants (ASVs) identified from its faecal DNA, whereas the diet of S. temminckii mostly comprises snail and decapod crustacean larvae. Our finding supports the hypothesis that population declines and localised extirpations of S. watermeyeri during previous decades may have been the result of reductions in the abundance of calanoid copepods. Calanoids rely on freshwater pulses to thrive, but such events have become rare in the two estuaries inhabited by S. watermeyeri due to excessive freshwater abstraction for urban and agricultural use.

The Three-dimensional structure of frozen-hydrated nudaurelia capensis β virus

1987 ◽  
Vol 45 ◽  
pp. 650-651
Author(s):  
N. H. Olson ◽  
T. S. Baker ◽  
Wu Bo Mu ◽  
J. E. Johnson ◽  
D. A. Hendry
Keyword(s):  
South African ◽  
Rna Virus ◽  
Carbon Film ◽  
Three Dimensional ◽  
Dimensional Structure ◽  
Electron Dose ◽  
Total Electron ◽  
Three Dimensional Structure ◽  
Negative Stain ◽  
Dimensional Reconstruction

Nudaurelia capensis β virus (NβV) is an RNA virus of the South African Pine Emperor moth, Nudaurelia cytherea capensis (Lepidoptera: Saturniidae). The NβV capsid is a T = 4 icosahedron that contains 60T = 240 subunits of the coat protein (Mr = 61,000). A three-dimensional reconstruction of the NβV capsid was previously computed from visions embedded in negative stain suspended over holes in a carbon film. We have re-examined the three-dimensional structure of NβV, using cryo-microscopy to examine the native, unstained structure of the virion and to provide a initial phasing model for high-resolution x-ray crystallographic studiesNβV was purified and prepared for cryo-microscopy as described. Micrographs were recorded ∼1 - 2 μm underfocus at a magnification of 49,000X with a total electron dose of about 1800 e-/nm2.

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