scholarly journals Amphibians and reptiles of Wildsumaco Wildlife Sanctuary, Napo Province, Ecuador

Check List ◽  
2021 ◽  
Vol 17 (3) ◽  
pp. 729-751
Author(s):  
Jeffrey D. Camper ◽  
Omar Torres-Carvajal ◽  
Santiago R. Ron ◽  
Jonas Nilsson ◽  
Alejandro Arteaga ◽  
...  
Keyword(s):  
Secondary Forest ◽  
Iucn Red List ◽  
Primary Forest ◽  
Wildlife Sanctuary ◽  
Amphibian Species ◽  
Diverse Species ◽  
Transect Sampling ◽  
Reptile Species ◽  
Elevational Range

We conducted a long-term inventory of the herpetofauna of Wildsumaco Wildlife Sanctuary in the eastern part of the Napo Province in Ecuador. This private preserve is about 500 ha in size and is located on the southern slopes of Volcán Sumaco. The preserve contains primary forest, secondary forest, and pasture habitats. Based mostly on nocturnal transect sampling we documented 39 species of amphibians including one species of salamander, two species of caecilians, and 36 species of frogs. Rain frogs (Pristimantis Jiminez de la Espada, 1871) were diverse with 14 species documented. A diverse species assemblage of 45 reptile species was also documented on the preserve. Six amphibian species found were listed by the IUCN Red List. At least three species exhibited substantial geographic range extensions and seven species showed elevational range extensions. We discovered several undescribed species including one salamander, three frogs, one lizard, and one snake.

scholarly journals An annotated checklist of amphibians in and around Dampa Tiger Reserve, Mizoram, India

2021 ◽  
Vol 13 (3) ◽  
pp. 17918-17929
Author(s):  
Ht. Decemson ◽  
Sushanto Gouda ◽  
Lalbiakzuala ◽  
Lalmuansanga ◽  
Gospel Zothanmawia Hmar ◽  
...  
Keyword(s):  
Secondary Forest ◽  
Iucn Red List ◽  
Primary Forest ◽  
Ecological Niches ◽  
Ecological Indicator ◽  
Fish Ponds ◽  
Amphibian Species ◽  
Tiger Reserve ◽  
Data Deficient ◽  
Surrounding Areas

Amphibians are an integral part of the ecosystem and act as an ecological indicator.  As several species are added to the list of threatened species every year due to loss of habitat, it is important to understand the role of unmanaged landscape for sustenance of amphibian diversity.  In this study, 28 amphibian species were recorded from different modified habitat including 19 new records for Dampa Tiger Reserve (DTR) and its surrounding areas.  Further, six species, Amolops indoburmanensis, Limnonectes khasianus, Microhyla mukhlesuri, M. mymensinghensis, Raorchestes rezakhani, and Sylvirana lacrima are new distribution records for the state of Mizoram and out of these, two species, Raorchestes rezakhani and Sylvirana lacrima, are new country records for India.  Amongst the recorded species, four species are Data Deficient, two Vulnerable, 14 Least Concern, and eight species are not assessed as per the IUCN Red List.  Within the core and buffer areas of DTR, we found that natural perennial stream, puddles, canals, natural ponds, fish ponds, roadside, primary forest, secondary forest, paddy fields, and human settlement areas are excellent microhabitats for amphibian population and need to be conserved for their rich ecological niches.

scholarly journals Birds of primary and secondary forest and shrub habitats in the peat swamp of Berbak National Park, Sumatra

F1000Research ◽  
2018 ◽  
Vol 7 ◽  
pp. 229 ◽  
Author(s):  
Kevin Darras ◽  
Dedi Rahman ◽  
Waluyo Sugito ◽  
Yeni Mulyani ◽  
Dewi Prawiradilaga ◽  
...  
Keyword(s):  
National Park ◽  
Secondary Forest ◽  
Iucn Red List ◽  
Wildlife Trade ◽  
Distribution Area ◽  
Primary Forest ◽  
Feeding Guilds ◽  
Swamp Forest ◽  
Mobile Species ◽  
Peat Swamp

Background: Tropical lowland rainforests are threatened by deforestation and degradation worldwide. Relatively little research has investigated the degradation of the forests of South-east Asia and its impact on biodiversity, and even less research has focused on the important peat swamp forests of Indonesia, which experienced major losses through severe fires in 2015. Methods: We acoustically sampled the avifauna of the Berbak National Park in 2013 in 12 plots split in three habitats: primary swamp forest, secondary swamp forest, and shrub swamp, respectively representing non-degraded, previously selectively logged, and burned habitats. We analysed the species richness, abundance, vocalisation activity, and community composition across acoustic counts, plots, feeding guilds and IUCN Red List categories. We also analysed community-weighted means of body mass, wing length, and distribution area. Results: The avifauna in the three habitats was remarkably similar in richness, abundance and vocalisation activity, and communities mainly differed due to a lower prevalence of understory insectivores (Old-World Babblers, Timaliidae) in shrub swamp. However primary forest retained twice as many conservation-worthy species as shrub swamp, which harboured heavier, probably more mobile species, with larger distributions than those of forest habitats. Conclusions: The National Park overall harboured higher bird abundances than nearby lowland rainforests. Protecting the remaining peat swamp forest in this little-known National Park should be a high conservation priority in the light of the current threats coming from wildlife trade, illegal logging, land use conversion, and man-made fires.

Population dynamics of the ruddy-capped nightingale thrush (Catharus frantzii) in Chiapas, Mexico: influences of density, productivity and survival

2008 ◽  
Vol 24 (6) ◽  
pp. 583-593 ◽  
Author(s):  
Jose Luis Rangel-Salazar ◽  
Kathy Martin ◽  
Peter Marshall ◽  
Robert W. Elner
Keyword(s):  
Secondary Forest ◽  
Population Data ◽  
Adult Survival ◽  
Primary Forest ◽  
Encounter Rate ◽  
Secondary Forests ◽  
Southern Mexico ◽  
Young Forest ◽  
Negative Effect

Abstract:We used long-term population data for the ruddy-capped nightingale thrush (Catharus frantzii Cabanis), to examine the influence of forest conditions on annual productivity, survival and growth rate (λ) in a montane forest reserve of Chiapas, southern Mexico, from 1995 to 2003. Productivity was higher in primary, mature forest than in secondary, young forest. More adults were captured in primary forest (n = 132) than in secondary forest (n = 64). Adult survival (φ = 0.79) and encounter rate (ρ = 0.36) did not vary across habitats. Males and females had similar survival between primary and secondary forests (φ = 0.80 vs. 0.83, and 0.77 vs. 0.79, respectively). Juvenile survival (φ = 0.67) was only 12% lower than for adults. Overall, the population of C. frantzii appeared to be declining at 3% y−1 (λ = 0.97, SE = 0.09, 95% CI = 0.88–1.03). Productivity and survival correlated positively with λ across years within habitats, although survival was the primary, significant demographic parameter determining λ. Although habitat alteration may have reduced the carrying capacity and productivity in secondary forest, there was no apparent negative effect on population persistence in this habitat. Thus, secondary forests represent habitats that may facilitate the long-term persistence of C. frantzii populations.

scholarly journals Birds of primary and secondary forest and shrub habitats in the peat swamp of Berbak National Park, Sumatra

F1000Research ◽  
2018 ◽  
Vol 7 ◽  
pp. 229
Author(s):  
Kevin Darras ◽  
Dedi Rahman ◽  
Waluyo Sugito ◽  
Yeni Mulyani ◽  
Dewi Prawiradilaga ◽  
...  
Keyword(s):  
National Park ◽  
Secondary Forest ◽  
Iucn Red List ◽  
Wildlife Trade ◽  
Distribution Area ◽  
Primary Forest ◽  
Feeding Guilds ◽  
Swamp Forest ◽  
Mobile Species ◽  
Peat Swamp

Background: Tropical lowland rainforests are threatened by deforestation and degradation worldwide. Relatively little research has investigated the degradation of the forests of South-east Asia and its impact on biodiversity, and even less research has focused on the important peat swamp forests of Indonesia, which experienced major losses through severe fires in 2015. Methods: We acoustically sampled the avifauna of the Berbak National Park in 2013 in 12 sites split in three habitats: primary swamp forest, secondary swamp forest, and shrub swamp, respectively representing non-degraded, previously selectively logged, and burned habitats. We analysed the species richness, abundance, vocalisation activity, and community composition across acoustic counts, sites, feeding guilds and IUCN Red List categories. We also analysed community-weighted means of body mass, wing length, and distribution area. Results: The avifauna in the three habitats was remarkably similar in richness, abundance and vocalisation activity, and communities mainly differed due to a lower prevalence of understory insectivores (Old-World Babblers, Timaliidae) in shrub swamp. However primary forest retained twice as many conservation-worthy species as shrub swamp, which harboured heavier, probably more mobile species, with larger distributions than those of forest habitats. Conclusions: The National Park overall harboured higher bird abundances than nearby lowland rainforests. Protecting the remaining peat swamp forest in this little-known National Park should be a high conservation priority in the light of the current threats coming from wildlife trade, illegal logging, land use conversion, and man-made fires.

scholarly journals The Príncipe Thrush Turdus xanthorhynchus: a newly split, ‘Critically Endangered’, forest flagship species

2010 ◽  
Vol 20 (4) ◽  
pp. 375-381 ◽  
Author(s):  
MARTIN DALLIMER ◽  
MARTIM MELO ◽  
NIGEL J. COLLAR ◽  
PETER J. JONES
Keyword(s):  
Population Size ◽  
Confidence Intervals ◽  
Secondary Forest ◽  
Iucn Red List ◽  
Critically Endangered ◽  
Primary Forest ◽  
Limited Area ◽  
Land Uses ◽  
Gulf Of Guinea ◽  
Primary Forests

SummaryRecently recognised as specifically distinct, the Príncipe Thrush Turdus xanthorhynchus is endemic to the island of Príncipe in the Gulf of Guinea, West Africa. Formerly treated as conspecific with the more abundant T. olivaceofuscus from the nearby island of São Tomé, the Príncipe Thrush is considered rare and likely to be restricted to primary rainforest. A 2007 survey of Príncipe comprising 177 point transect locations covering 13 sites under different land uses (six in primary forest, three in secondary forest and four in plantations) encountered 18 individuals. Thrushes were found only in primary rainforest, where overall densities were 0.10 birds ha−1, equating to a population size of 435 individuals (95% confidence intervals: 208–913). We adjusted this estimate to take into account the fact that the highest density (0.22 birds ha−1) only occurred above 600 m, giving a final estimated population size of only 364 birds (95% confidence intervals: 186–887). In light of evidence of recent declines, possibly driven by hunting pressure, in the number of mature individuals and the limited area of occurrence of the species, the IUCN Red List category for the Príncipe Thrush should be ‘Critically Endangered’ under both criteria B1a+b(iii and v) and C2a(ii). The recent designation of the primary forests of southern Príncipe as a protected area (Parque Natural d’Obô do Príncipe) provides an opportunity for the conservation of this newly described species, which we recommend is used as a flagship for the forests as a whole.

PRELIMINARY DATA ON DISTRIBUTION OF AMPHIBIANS AND REPTILES FROM CHI LINH SPECIAL - USE FOREST IN HAI DUONG PROVINCE, NORTHERN VIETNAM

2020 ◽  
Vol 65 (10) ◽  
pp. 124-133
Author(s):  
Dung Le Trung ◽  
Nam Nguyen Hai ◽  
Linh Nguyen Phan Ngoc ◽  
Yen Do Thi
Keyword(s):  
Invasive Alien Species ◽  
Iucn Red List ◽  
Evergreen Forest ◽  
The Novel ◽  
Amphibian Species ◽  
Field Surveys ◽  
Red Data Book ◽  
Reptile Species ◽  
Data Book ◽  
Conservation Concern

Based on the novel data collected during three field surveys in 2019 and 2020, we herein provided a checklist of 13 amphibian species belonging to 10 genera (five families, one order) and 12 reptile species belonging to 12 genera (7 families, two orders) from Chi Linh Special-Use forest, Hai Duong province. In this study, Trachemys scripta is recorded as invasive alien species from the area. In terms of conservation concern, 2 species are listed in the IUCN Red List (2020) as Vulnerable (Physignathus cocincinus and Goniurosaurus lichtenfelderi) and 1 species is listed in the Vietnam Red Data Book (2007) as Vulnerable (Physignathus cocincinus). In terms of herpetological distribution, mostly recorded species were found in the evergreen forest habitat (6 species of amphibians and 7 species of reptiles). Additionally, the largest number of species were recorded in March 2019 (12 amphibian species and 4 reptile species).

Detection Probability and Site Occupancy of the Granular Spiny Frog (Quasipaa verrucospinosa) in the Tropical Rain Forests of Bach Ma National Park, Central Vietnam

2020 ◽  
Vol 27 (1) ◽  
pp. 26-32
Author(s):  
Binh Van Ngo ◽  
Ya-Fu Lee ◽  
Chung D. Ngo
Keyword(s):  
National Park ◽  
Large Scale ◽  
Secondary Forest ◽  
Site Occupancy ◽  
Weather Conditions ◽  
Primary Forest ◽  
Occupancy Models ◽  
Tropical Rain Forests ◽  
Amphibian Species ◽  
Central Vietnam

Amphibian species are rarely detected with perfect accuracy, regardless of the method employed. A large-scale assessment for Quasipaa verrucospinosa occupancy was conducted at 35 sites in the primary forest and 42 sites in the secondary forest of Bach Ma National Park, central Vietnam. Based on the detection data for each site, the distribution of Q. verrucospinosa was estimated in different habitat types using occupancy models. From the best model among all performed models, we estimated a site occupancy probability of 0.576 that was higher than the naive occupancy estimate of 0.403 and a 43.1% increase over the site proportion at which Q. verrucospinosa was actually observed. The site covariate of the primary forest was an important determinant of site occupancy, which was not associated with the variable of secondary forest. In a combined AIC model weight: the p(temperature), p(humidity), and p(precipitation) models have 47.3, 67.1, and 90.9% of the total, respectively; providing evidence that aforementioned environmental conditions were important sample covariates in modelling detection probabilities of Q. verrucospinosa. Our results substantiate the importance of incorporating detection and occupancy probabilities into studies of habitat relationships and suggest that the primary forests associated with weather conditions influence the site occupancy of Q. verrucospinosa in Bach Ma National Park, central Vietnam.

Spider diversity in the Bukit Timah Nature Reserve, Singapore

2019 ◽  
Vol 71 ((suppl.1)) ◽  
pp. 209-243
Author(s):  
J.K.H. Koh ◽  
D.J. Court
Keyword(s):  
Nature Reserve ◽  
New Records ◽  
Secondary Forest ◽  
Distinct Species ◽  
Primary Forest ◽  
Preliminary Results ◽  
Vegetation Zones ◽  
Comprehensive Survey ◽  
Quantitative Analyses ◽  
First Time

This paper discusses the preliminary results of the first comprehensive survey of the spiders of the Bukit Timah Nature Reserve (BTNR) in Singapore. Two plots were established in each of the three zones of vegetation, viz., primary forest, old secondary forest, and maturing secondary forest. They were repeatedly sampled over an 18-month period. Sorting of the collection so far suggests that the three vegetation zones harbour rather different spider assemblages. Only ~9% of the total spider fauna recovered was shared by all three zones. The results have also yielded a preliminary picture of dominance, abundance and rarity. Although first intended to obtain a baseline for future quantitative analyses, the survey became a testing ground to modify and refine methodology so as to conduct future quantitative surveys with greater scientific rigour. Taxonomic work on the samples so far shows that the spiders in the BTNR span over 43 families, of which six families are listed for the first time in Singapore. The tally is summarised in an interim checklist of BTNR spiders. The checklist, with a total of 317 entries, shows that there are 158 described species of spiders in BTNR, of which 25 species are new records for Singapore. Another 159 morphospecies are provisionally recognised as distinct species, some of which may be new to science. Our observations during the survey have allowed us to provide a narrative of BTNR spider diversity against a backdrop of their microhabitat specialisation.

MANAJEMEN DATA SPASIAL: PENGGUNAAN TANAH WILAYAH PEDESAAN DI SUMATERA BARAT

2019 ◽  
Vol 5 (2) ◽  
pp. 48-53
Author(s):  
Afrital Rezki, S.Pd., M.Si ◽  
Erna Juita ◽  
Dasrizal Dasrizal ◽  
Arie Zella Putra Ulni
Keyword(s):  
Land Use ◽  
Paddy Field ◽  
Secondary Forest ◽  
Water Bodies ◽  
Primary Forest ◽  
Land Uses ◽  
Forest Land ◽  
Land Use Patterns ◽  
Crop Fields ◽  
Mixed Plantations

Perkembangan penggunaan tanah bergerak horisontal secara spasial ke arah wilayah yang mudah diusahakan. Penggunaan tanah juga bergerak secara vertikal dalam rangka menaikkan mutunya. Penelitian ini bertujuan untuk menganalisis pola penggunaan lahan, bagaimana manajemen penggunaan lahan di satu wilayah berdasarkan batas Nagari. Metode yang digunakan adalah analsisis spasial dengan interpretasi citra penginderaan jauh, survey lapangan, dan analisis deskriptif. Pertumbuhan pemukiman Nagari Sungai Sariak Kecamatan VII Koto Kabupaten Padang Pariaman mengakibatkan pemanfaatan ruang menjadi tumpang tindih. Diperlukan cara-cara pengelolaan dan managemen penggunaan tanah dalam rangka pembangunan berkelanjutan yang menaikkan taraf hidup masyarakat dan tidak menimbulkan kerugian lingkungan.Terdapat 9 jenis penggunaan lahan yang ada di Nagari Sungai Sariak. Penggunaan lahan tersebut adalah Primary Forest, Secondary Forest, Paddy Field, Settlement, Mixed Plantations, Crop Fields, Water Bodies, Bushes, dan Plantations. Penggunaan lahan yang paling luas di Nagari Sungai Sariak adalah jenis penggunaan lahan Primary Forest, sebesar 48% dari total luas wilayah Nagari Sungai Sariak. Pada tahun 2011 sampai tahun 2016, penggunaan lahan paling luas terjadi pada penggunaan lahan jenis Primary Forest yang kemudian menjadi Mixed Plantations. Land use Changes moved horizontally spatially towards areas that are easily cultivated. The land use also moves vertically in order to increase its quality. This study aims to analyze land use patterns, how land use management in one area is based on Nagari boundaries. The method used is spatial analysis with interpretation of remote sensing images, field surveys, and descriptive analysis. The growth of Nagari Sungai Sariak in Kecamatan VII Koto, Kabupaten Padang Pariaman resulted in overlapping use of space. Management methods are needed and management of land use in the framework of sustainable development that raises the standard of living of the community and does not cause environmental losses. There are 9 types of land use in the Nagari Sungai Sariak. The land uses are Primary Forest, Secondary Forest, Paddy Field, Settlement, Mixed Plantations, Crop Fields, Water Bodies, Bushes, and Plantations. The most extensive land use in Nagari Sungai Sariak is the type of Primary Forest land use, amounting to 48% of the total area of the Nagari Sungai Sariak. From 2011 to 2016, the most extensive land use occurred in Primary Forest land uses which later became Mixed Plantations.

scholarly journals Responses of Bat Communities (Mammalia: Chiroptera) to Forest Loss and Habitat Conversion in Southern Cameroon

2021 ◽  
Vol 14 ◽  
pp. 194008292110103
Author(s):  
Patrick Jules Atagana ◽  
Eric Moïse Bakwo Fils ◽  
Sevilor Kekeunou
Keyword(s):  
Secondary Forest ◽  
Biosphere Reserve ◽  
Abundant Species ◽  
Primary Forest ◽  
Habitat Types ◽  
Habitat Transformation ◽  
Significant Difference ◽  
Southern Cameroon ◽  
Habitat Conversion ◽  
Species Specific

We aimed to assess how bats are affected by habitat transformation by comparing bat assemblages in four habitat types: primary forest, secondary forest, cocoa plantations and human habitations in the Dja Biosphere Reserve of southern Cameroon. Bats were sampled in the four habitat types using mist nets. During 126 nights, a total of 413 bats were captured, belonging to four families, 16 genera and 24 species. Ninety three individuals (17 species) were captured in the primary forest, followed by plantations (105 individuals, 14 species), human habitations (159 individuals, 10 species), and secondary forest (55 individuals, eight species). Megaloglossus woermanni was recorded in all the four habitats, and was the most abundant species (105 individuals). The analysis of bat assemblage between habitat types showed a statistically significant difference in species composition. The distribution of the six most abundant species ( Epomops franqueti, Megaloglossus woermanni, Rousettus aegyptiacus, Dohyrina cyclops, Hipposideros cf. caffer and Hipposideros cf. ruber) was influenced by habitat types. Our results suggest that the decrease in species richness observed in disturbed habitats may be due to habitat perturbations of primary forest habitats. Therefore, it is important to examine the effects of habitat conversion at species level, as responses are often species-specific.

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