scholarly journals Herpetofauna diversity and distribution based on the elevational range in West Java, Indonesia

2021 ◽  
Vol 22 (10) ◽  
Author(s):  
Tatang Suharmana Erawan ◽  
Jirjiz Jauhan ◽  
Teguh Husodo ◽  
Indri Wulandari ◽  
Deri Achmad Fauzi ◽  
...  
Keyword(s):  
Anthropogenic Impacts ◽  
Conservation Status ◽  
Anthropogenic Factors ◽  
West Java ◽  
Number Of Species ◽  
Varanus Salvator ◽  
High Conservation ◽  
Study Sites ◽  
Elevational Range ◽  
Ophiophagus Hannah

Abstract. Erawan TS, Jauhan J, Husodo T, Wulandari I, Fauzi DA, Megantara EN, Shanida SS. 2021. Herpetofauna diversity and distribution based on the elevational range in West Java, Indonesia. Biodiversitas 22: 4308-4319. The herpetofauna discovery in West Java is still low and has not yet described the herpetofauna community's species diversity entirely and thoroughly in West Java. It experiences high anthropogenic impacts both from infrastructure and tourism activities. If left further, herpetofauna species will become extinct locally because of anthropogenic factors. Therefore, it is essential to reveal the diversity and distribution of herpetofauna species. This study aimed to show diversity and distribution based on the elevational range in West Java. Visual Encounter Survey in combination with the Auditory Encounter Survey was applied in this study. We found 74 species where the Colubridae family were found most commonly in the study sites. Of 74 species, four species have high conservation status, including Rhacophorus reinwardtii, Ophiophagus hannah, Varanus salvator, and Malayopython reticulatus. Besides, ten species were found to be endemic to Java and Java-Bali. Based on elevation, herpetofauna is mainly located at elevations < 1000 m asl. The higher the height, the fewer the number of species found. In Amphibians, the highest number of species tend to be found at 400-1200 m asl and 1400-1700 m asl, while reptiles tend to be located at 400-900 m asl. Keywords: Auditory Encounter Survey, West Java

scholarly journals Mammalian diversity in West Java, Indonesia

2019 ◽  
Vol 20 (7) ◽  
Author(s):  
TEGUH HUSODO ◽  
SYA SYA SHANIDA ◽  
PUPUT FEBRIANTO ◽  
M PAHLA PUJIANTO ◽  
ERRI N MEGANTARA
Keyword(s):  
Tree Shrew ◽  
Conservation Status ◽  
Mammalian Species ◽  
Anthropogenic Factors ◽  
West Java ◽  
Conservation Area ◽  
Leaf Monkey ◽  
Protected Forests ◽  
Palm Civet ◽  
High Conservation

Abstract. Husodo T, Shanida SS, Febrianto P, Pujianto MP, Megantara EN. 2019. Mammalian diversity in West Java, Indonesia. Biodiversitas 20: 1846-1858. Protected forests in West Java are wider than conservation forests, whereas mammalian diversity in protected forests is as high as mammalian diversity in conservation forests. Mammals in protected forests are not protected by regional protection regulations, while anthropogenic factors in Java are quite high. This is possible that mammals who have high conservation status will experience local extinction. This study aims to determine (i) the composition of mammalian species and (ii) the species that are always found in studies of mammalian diversity in West Java. The study was conducted through a qualitative approach by combining several methods such as interview, camera trapping, sign survey, observation and transect, and collapsible traps. Mammalia in West Java found 54 species, 21 families, and nine orders with details of three species of Artiodactyla, 12 species of Carnivores, seven species of Chiroptera, one species of Dermoptera, one species of Euphotyphla, one species of Pholidota, five species of Primates, 21 species of Rodentia, and three species of Scandentia. The species that are always found in all study locations are nine species, including wild boar, Javan leopard, leopard cat, Javan mongoose, oriental small-clawed otter, Asian palm civet, grizzled leaf monkey, Javan langur, and Javan tree shrew. The results presented here may facilitate improvements in the mammalian diversity database, especially in the non-conservation area.

scholarly journals Diversity of mammals in forest patches of Cisokan, Cianjur, West Java, Indonesia

2019 ◽  
Vol 20 (5) ◽  
Author(s):  
TEGUH HUSODO ◽  
PUPUT FEBRIANTO ◽  
ERRI NOVIAR MEGANTARA ◽  
SYA SYA SHANIDA ◽  
MUHAMMAD PAHLA PUJIANTO
Keyword(s):  
Conservation Status ◽  
Structured Interview ◽  
Natural Ecosystems ◽  
West Java ◽  
Forest Patches ◽  
Slow Loris ◽  
Deforestation Rates ◽  
Production Forests ◽  
High Conservation ◽  
Human Wildlife Conflict

Abstract. Husodo T, Febrianto P, Megantara EN, Shanida SS, Pujianto MP. 2019. Diversity of mammals in forest patches of Cisokan, Cianjur, West Java, Indonesia. Biodiversitas 20: 1281-1288.  Most species on Java, Indonesia are ecologically associated with or dependent on forests, the island’s high deforestation rates are a major threat to its species. Until now, various efforts to conserve mammals are still focused on natural ecosystems, such as forests. There has not been much research on mammals carried out specifically in non-conservation forest areas, whereas many regions in Indonesia have extensive community lands in the landscape and are directed to be areas that have a conservation function, besides still functioning as a production system. Therefore, it is necessary to examine the diversity of mammals that are still found in Cisokan especially those that have high conservation status and their habitat. Combination of several research methods applied, such as semi-structured interview, sign survey, direct observation, camera trapping, and collapsible trap. Mammalian diversity in the Cisokan forest patched is found in 26 species and among them are endangered species, such as Javan Leopard, Pangolin, and Slow Loris. These three species occupy diverse land cover from natural forest to human lands, such as production forests, settlements, rice fields, and agroforestry or mixed gardens. The existence of these species on human land has the potential for human-wildlife conflict, so it needs to be studied further in wildlife management in Cisokan.

STUDYING OF TERSKO-SULAKSKAYA LOWLAND VEGETATION UNDER THE RESULTS OF GROUND-BASED RESEARCH AND AUTOMATED INTERPRETATION

1970 ◽  
pp. 29-32
Author(s):  
M. I. Dzhalalova ◽  
A. B. Biarslanov ◽  
D. B. Asgerova
Keyword(s):  
Plant Communities ◽  
Satellite Imagery ◽  
Vegetation Cover ◽  
Anthropogenic Impacts ◽  
Species Abundance ◽  
Remote Sensing Data ◽  
Indigenous Communities ◽  
The State ◽  
Anthropogenic Factors ◽  
Internet Resource

The state of plant communities in areas located in the Tersko-Sulak lowland was studied by assessing phytocenotic indicators: the structure of vegetation cover, projective cover, species diversity, species abundance and elevated production, as well as automated decoding methods. There are almost no virgin soils and natural phytocenoses here; all of them have been transformed into agrocenoses (irrigated arable lands and hayfields, rice-trees and pastures). The long-term impact on pasture ecosystems of natural and anthropogenic factors leads to significant changes in the indigenous communities of this region. Phytocenoses are formed mainly by dry-steppe types of cereals with the participation of feather grass, forbs and ephemera, a semi-desert haloxerophytic shrub - Taurida wormwood. At the base of the grass stand is common coastal wormwood and Taurida wormwood - species resistant to anthropogenic influences. Anthropogenic impacts have led to a decrease in the number of species of feed-rich grain crops and a decrease in the overall productivity of pastures. Plant communities in all areas are littered with ruderal species. The seasonal dynamics of the land cover of the sites was estimated by the methods of automatic decoding of satellite images of the Landsat8 OLI series satellite for 2015, dated by the periods: spring - May 20, summer - July 23, autumn - October 20. Satellite imagery data obtained by Landsat satellite with a resolution in the multispectral image of 30 m per pixel, and in the panchromatic image - 10 m per pixel, which correspond to the requirements for satellite imagery to assess the dynamics of soil and vegetation cover. Lower resolution data, for example, NDVI MODIS, does not provide a reliable reflection of the state of soil and vegetation cover under arid conditions. In this regard, remote sensing data obtained from the Internet resource https://earthexplorer.usgs.gov/ was used.

scholarly journals Spatial distribution of the Barbary Partridge (Alectoris barbara) in Sardinia explained by land use and climate

2021 ◽  
Vol 67 (4) ◽  
Author(s):  
Gianpasquale Chiatante ◽  
Marta Giordano ◽  
Anna Vidus Rosin ◽  
Oreste Sacchi ◽  
Alberto Meriggi
Keyword(s):  
Land Use ◽  
Conservation Status ◽  
Distance Sampling ◽  
Strong Relationship ◽  
European Population ◽  
Factors Affecting ◽  
Brood Rearing ◽  
Management Actions ◽  
Negative Effect ◽  
Study Sites

AbstractMore than half of the European population of the Barbary Partridge is in Sardinia; nonetheless, the researches concerning this species are very scarce, and its conservation status is not defined because of a deficiency of data. This research aimed to analyse the habitat selection and the factors affecting the abundance and the density of the Barbary Partridge in Sardinia. We used the data collected over 8 years (between 2004 and 2013) by spring call counts in 67 study sites spread on the whole island. We used GLMM to define the relationships between the environment (topography, land use, climate) both the occurrence and the abundance of the species. Moreover, we estimated population densities by distance sampling. The Barbary Partridge occurred in areas at low altitude with garrigue and pastures, avoiding woodlands and sparsely vegetated areas. We found a strong relationship between the occurrence probability and the climate, in particular, a positive relation with temperature and a negative effect of precipitation, especially in April–May, during brood rearing. Furthermore, dry crops positively affected the abundance of the species. We estimated a density of 14.1 partridges per km2, similar to other known estimates. Our findings are important both because they increase the knowledge concerning this species, which is considered data deficient in Italy, and because they are useful to plan management actions aimed to maintain viable populations if necessary.

scholarly journals Caterpillars of the marsh fritillary butterfly Euphydryas aurinia can extend their life-cycle in Scotland

2021 ◽  
Author(s):  
Neil O. M. Ravenscroft
Keyword(s):  
Life Cycle ◽  
Conservation Status ◽  
Northern Europe ◽  
First Year ◽  
Winter Mortality ◽  
Closely Related Species ◽  
Euphydryas Aurinia ◽  
High Conservation ◽  
The Uk ◽  
Marsh Fritillary

AbstractThe marsh fritillary Euphydryas aurinia is declining across Europe and is of high conservation interest. Its ecology has been defined and its conservation status assessed primarily from the affinities and populations of young caterpillars in the autumn, before hibernation and high winter mortality. The possibility that caterpillars of E. aurinia can overwinter more than once was investigated on the Isle of Islay, Scotland after caterpillars were found to occur at some locations in the spring despite a pre-hibernation absence. Closely-related species in North America and Northern Europe can prolong larval development by diapausing for a year as does E. aurinia in Scandinavia. Measurements of development and manipulations of distribution confirmed that some caterpillars do extend the life-cycle in Scotland and may occur in areas devoid of larvae in their first year. Caterpillars attempting this life-cycle develop slowly in spring, attain the normal penultimate spring instar and then enter diapause while other caterpillars are pupating. They moult just before diapause, construct highly cryptic webs and on emergence the following spring are 5–6 times heavier than larvae emerging in their first spring, or the equivalent of a month or so ahead. They attain a final, extra instar as larvae in their first spring reach the penultimate instar. Knowledge of this life-cycle is confined in the UK to Islay but its occurrence in this mild climate implies that it is more widespread.Implications for insect conservation Conditions that permit long diapause are probably precise and may not be reflected in recognised qualities of habitat. The species may also be present despite a perceived absence in autumn, the standard period for monitoring. Assessments of the prevalence of the life-cycle and its contribution to the persistence of E. aurinia are required. Populations of E. aurinia are known to fluctuate greatly and do occur below the observation threshold for long periods.

Buried seed populations in the montane, subalpine, and alpine belts of Mont Jacques-Cartier, Quebec

1988 ◽  
Vol 66 (1) ◽  
pp. 101-107 ◽  
Author(s):  
Hubert Morin ◽  
Serge Payette
Keyword(s):  
Seed Bank ◽  
Linear Correlation ◽  
Altitudinal Gradient ◽  
Number Of Species ◽  
Significant Linear Correlation ◽  
Seed Population ◽  
Close Relationship ◽  
Buried Seed ◽  
Study Sites ◽  
Number Of Seeds

The analysis of the total buried seed population along an altitudinal gradient in the Mont Jacques-Cartier area, southern Quebec, reveals a close relationship between buried seed flora and aboveground vegetation. Eighty-one percent of the species present in the total buried seed population were present in the aboveground vegetation of the study sites. The total number of seeds in the buried seed population, the number of species in the total buried seed population, and the number of seeds and species in the seed bank did not show any significant linear correlation with altitude. A shift from a boreal to an arctic–alpine buried seed population with increasing altitude was observed, instead of a decrease in seed bank size.

scholarly journals Materials on the ecology of background species of reptiles in the Tambov Region

2021 ◽  
Vol 10 (1) ◽  
pp. 135-141
Author(s):  
Aleksey Vladimirovich Podolsky
Keyword(s):  
Deciduous Forest ◽  
Common Species ◽  
Wide Distribution ◽  
Anthropogenic Factors ◽  
State Nature Reserve ◽  
Sand Lizard ◽  
Field Season ◽  
Grass Snake ◽  
Lacerta Agilis ◽  
Study Sites

The paper presents data on the ecology of two common species of reptiles in the Tambov Region: the sand lizard, Lacerta agilis Linnaeus, 1758, and the common grass snake, Natrix natrix (Linnaeus, 1758). The material was collected in the Michurinsky, Pervomaysky, Tambovsky and Inzhavinsky (on the territory of the Voroninsky State Nature Reserve) Districts of the Tambov Region during the 2019 field season. Field observations and accounting for the numbers of animals on the routes were carried out in the most typical biotopes for the study sites: in pine forest, deciduous forest, in steppe areas affected to varying degrees by anthropogenic transformation, in floodplains of rivers and along the shores of lakes and artificial reservoirs. Information on the following aspects of the ecology of these reptile species in the region is presented and discussed: habitat distribution and numbers, seasonal and diurnal activity, phenology of reproduction and development and the influence of anthropogenic factors. All materials obtained as a result of our own research are compared with the data of the literature sources cited in the paper. On the basis of wide distribution in the region, relatively high numbers and trends to synanthropy it is stated that the state of the populations of the sand lizard and common grass snake in the region in the present conditions is safe and special measures for their protection are not required.

scholarly journals Divergence of seafloor elevation and sea level rise in coral reef ecosystems

2017 ◽  
Vol 14 (6) ◽  
pp. 1739-1772 ◽  
Author(s):  
Kimberly K. Yates ◽  
David G. Zawada ◽  
Nathan A. Smiley ◽  
Ginger Tiling-Range
Keyword(s):  
Coral Reef ◽  
Coral Reefs ◽  
Sea Level Rise ◽  
Sea Level ◽  
Anthropogenic Impacts ◽  
Regional Scale ◽  
Coastal Hazards ◽  
Carbonate Production ◽  
Coral Reef Ecosystems ◽  
Study Sites

Abstract. Coral reefs serve as natural barriers that protect adjacent shorelines from coastal hazards such as storms, waves, and erosion. Projections indicate global degradation of coral reefs due to anthropogenic impacts and climate change will cause a transition to net erosion by mid-century. Here, we provide a comprehensive assessment of the combined effect of all of the processes affecting seafloor accretion and erosion by measuring changes in seafloor elevation and volume for five coral reef ecosystems in the Atlantic, Pacific, and Caribbean over the last several decades. Regional-scale mean elevation and volume losses were observed at all five study sites and in 77 % of the 60 individual habitats that we examined across all study sites. Mean seafloor elevation losses for whole coral reef ecosystems in our study ranged from −0.09 to −0.8 m, corresponding to net volume losses ranging from 3.4  ×  106 to 80.5  ×  106 m3 for all study sites. Erosion of both coral-dominated substrate and non-coral substrate suggests that the current rate of carbonate production is no longer sufficient to support net accretion of coral reefs or adjacent habitats. We show that regional-scale loss of seafloor elevation and volume has accelerated the rate of relative sea level rise in these regions. Current water depths have increased to levels not predicted until near the year 2100, placing these ecosystems and nearby communities at elevated and accelerating risk to coastal hazards. Our results set a new baseline for projecting future impacts to coastal communities resulting from degradation of coral reef systems and associated losses of natural and socioeconomic resources.

Bryoflora Salvadorensis 3. An updated checklist and new records of Pottiaceae for El Salvador

Phytotaxa ◽  
2019 ◽  
Vol 424 (1) ◽  
pp. 33-48
Author(s):  
ROSA DELIA BÚCARO ◽  
PHILIP SOLLMAN ◽  
MICHAEL STECH
Keyword(s):  
El Salvador ◽  
New Records ◽  
General Distribution ◽  
Number Of Species ◽  
Elevational Range ◽  
Main Substrate ◽  
Substrate Types

An updated list of the taxa of the moss family Pottiaceae recorded for El Salvador is presented, based on literature reports and own investigations. At present, 20 genera of Pottiaceae are known from El Salvador, of which four (Barbula, Scopelophila, Trichostomum, Weissia) are reported as new for the country. Eight species and two varieties are reported as new for El Salvador: Barbula orizabensis, Bryoerythrophyllum ferruginascens, B. inaequalifolium, Chionoloma tenuirostre, Didymodon acutus var. icmadophilus, Hyophila nymaniana, Leptodontium viticulosoides var. viticulosoides, Scopelophila cataractae, Trichostomum brachydontium, and Weissia jamaicensis, increasing the total number of species to 35. Information on the distribution, main substrate types, and approximate elevational range in Mesoamerica as well as the general distribution are provided for all taxa.

Assessing the effects of climate change and land use on northern Labrador forest stands based on paleoecological data

2016 ◽  
Vol 86 (3) ◽  
pp. 260-270 ◽  
Author(s):  
Isabel Lemus-Lauzon ◽  
Najat Bhiry ◽  
James Woollett
Keyword(s):  
Land Use ◽  
Vegetation History ◽  
Ice Age ◽  
Tree Cover ◽  
Forest Composition ◽  
Anthropogenic Factors ◽  
Larix Laricina ◽  
Open Forest ◽  
Historic Land Use ◽  
Study Sites

AbstractWe reconstructed the late Holocene vegetation of the Nain region (northern Labrador, northeastern Canada) in order to assess the influence of climate and historic land use on past shifts in forest composition. Chronostratigraphy was used in combination with macrofossil and pollen data from monoliths sampled from four peatlands. Paleoecological reconstructions produced a vegetation history spanning 4900 years for the Nain region that is largely concordant with other studies in Labrador. An initial open forest tundra phase was followed by an increase in tree cover at around 2800 cal yr BP. Paludification began ∼200 cal yr BP. A decline in Picea and its subsequent disappearance from most of the sites occurred ∼170 cal yr BP (AD 1780) in a period of relatively mild conditions during the Little Ice Age. This event was followed by the establishment of Larix laricina in the region. Local anthropogenic factors are likely responsible for these later developments, as they were not observed in other regional studies. The period around AD 1780 corresponds to the establishment of the Moravian missionaries on the Labrador coast, which increased the need for fuel and lumber. We conclude that changes in land use are reflected in the patterns of vegetation and hydrological change at the study sites.

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