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Journal articles on the topic 'Pygathrix'

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Published: 10 December 2022

Last updated: 28 January 2023

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1

Duc, Hoang Minh, G. S. Baxter, and Manda J. Page. "Diet of Pygathrix nigripes in Southern Vietnam." International Journal of Primatology 30, no. 1 (January 20, 2009): 15–28. http://dx.doi.org/10.1007/s10764-008-9325-y.

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2

Bett, Nolan N., Mary E. Blair, and Eleanor J. Sterling. "Ecological Niche Conservatism in Doucs (Genus Pygathrix)." International Journal of Primatology 33, no. 4 (July 18, 2012): 972–88. http://dx.doi.org/10.1007/s10764-012-9622-3.

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3

Fooden, Jack, and Alfred Feiler. "Pygathrix nemaeus in Hainan? new evidence, no resolution." International Journal of Primatology 9, no. 3 (June 1988): 275–79. http://dx.doi.org/10.1007/bf02737404.

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4

LIPPOLD, LOIS K. "Reproduction and survivorship in Douc langurs Pygathrix nemaeus in zoos." International Zoo Yearbook 28, no. 1 (January 1988): 252–55. http://dx.doi.org/10.1111/j.1748-1090.1988.tb01054.x.

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5

LIPPOLD, LOIS K. "Reproduction and survivorship in Douc langurs Pygathrix nemaeus in zoos." International Zoo Yearbook 28, no. 1 (December 18, 2007): 252–55. http://dx.doi.org/10.1111/j.1748-1090.1989.tb03293.x.

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6

Eames, Jonathan C., and Craig R. Robson. "Threatened primates in southern Vietnam." Oryx 27, no. 3 (July 1993): 146–54. http://dx.doi.org/10.1017/s0030605300027940.

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Vietnam's exceptionally rich fauna is threatened by habitat loss and hunting. Although a system of protected areas has recently been developed, many of the sites selected are subject to human encroachment, hunting pressure and other forms of exploitation. Other protected areas may be too small to hold viable populations of primates. Following faunal surveys of existing and proposed protected areas in Vietnam between 1988 and 1991, this paper documents the status of and identifies threats to three species of threatened primate: white-cheeked gibbon Hylobates leucogenys gabriellae, red-shanked douc langur Pygathrix nemaeus and blackshanked douc langur P. nigripes.

7

Riondato, Isidoro, Emanuele Cissello, Elena Papale, Olivier Friard, Marco Gamba, and Cristina Giacoma. "Unsupervised Acoustic Analysis of the Vocal Repertoire of the Gray-Shanked Douc Langur (Pygathrix cinerea)." Journal of Computational Acoustics 25, no. 03 (September 2017): 1750018. http://dx.doi.org/10.1142/s0218396x17500187.

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Unsupervised analyses of nonhuman vocal repertoires are important not only because they allow decoding species-specific displays, but also to understand the evolution of communication signals, which need objective quantitative investigations. We recorded more than 1000 vocalizations emitted by captive gray-shanked douc langur (Pygathrix cinerea). Putative vocal categories were first identified by their overall acoustic structure, considering duration and spectral properties. We processed each call using an automatic pairwise Dynamic Time Warping comparison, limiting the use of a priori assumptions. We then performed a cluster analysis that indicated the presence of 25 clusters, which we then labeled to seven vocal types according to spectrographic information.

8

RUEMPLER, U. "Husbandry and breeding of Douc langurs Pygathrix nemaeus nemaeus at Cologne Zoo." International Zoo Yearbook 36, no. 1 (January 1998): 73–81. http://dx.doi.org/10.1111/j.1748-1090.1998.tb02887.x.

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9

Pan, R., and C. Oxnard. "Cranial morphology of the golden monkey (Rhinopithecus) and douc langur (Pygathrix nemaeus)." Human Evolution 16, no. 3-4 (July 2001): 199–223. http://dx.doi.org/10.1007/bf02437412.

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10

Plesker, Roland, Katja Teschner, Olaf Behlert, Ellen Prenger-Berninghoff, and Doris Hillemann. "AirborneMycobacterium aviuminfection in a group of red-shanked douc langurs (Pygathrix nemaeus nemaeus)." Journal of Medical Primatology 39, no. 2 (April 2010): 129–35. http://dx.doi.org/10.1111/j.1600-0684.2010.00406.x.

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11

HAMA, NATSUKI, QI HAN JUN, DONG BO, SHINJI YASUDA, KOICHI MURATA, XIAN WAN HUA, and MASAYOSHI GONDO. "Reproduction in a pair of Golden monkeys Pygathrix roxellana at Kobe Oji Zoo." International Zoo Yearbook 35, no. 1 (January 1997): 266–71. http://dx.doi.org/10.1111/j.1748-1090.1997.tb01219.x.

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12

Byron, Craig D., and Herbert H. Covert. "Unexpected locomotor behaviour: brachiation by an Old World monkey (Pygathrix nemaeus) from Vietnam." Journal of Zoology 263, no. 1 (May 2004): 101–6. http://dx.doi.org/10.1017/s0952836904004935.

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13

Bailey, Katie E., Jeffrey W. Winking, David L. Carlson, Tran Van Bang, and Ha Thang Long. "Arm-Swinging in the Red-Shanked Douc (Pygathrix nemaeus): Implications of Body Mass." International Journal of Primatology 41, no. 4 (July 11, 2020): 583–95. http://dx.doi.org/10.1007/s10764-020-00163-6.

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14

Bigoni, Francesca, Marlys L. Houck, Oliver A. Ryder, Johannes Wienberg, and Roscoe Stanyon. "Chromosome Painting Shows That Pygathrix nemaeus Has the Most Basal Karyotype Among Asian Colobinae." International Journal of Primatology 25, no. 3 (June 2004): 679–88. http://dx.doi.org/10.1023/b:ijop.0000023580.46185.9c.

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15

Su, Qian, Chongtao Chen, Dingju Wei, Diyan Li, Huaming Xu, Jiayun Wu, Anxiang Wen, et al. "Complete mitochondrial genome of black-shanked douc langurs (Pygathrix nigripes) and its phylogenetic analysis." Mitochondrial DNA Part B 3, no. 2 (July 3, 2018): 1085–86. http://dx.doi.org/10.1080/23802359.2018.1512386.

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16

Heistermann, Michael, Christelle Ademmer, and Werner Kaumanns. "Ovarian Cycle and Effect of Social Changes on Adrenal and Ovarian Function in Pygathrix nemaeus." International Journal of Primatology 25, no. 3 (June 2004): 689–708. http://dx.doi.org/10.1023/b:ijop.0000023581.17889.0f.

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17

Smith, Alvin W., Douglas E. Skilling, Marilyn P. Anderson, and Kurt Benirschke. "Isolation of Primate Calicivirus Pan paniscus Type 1 from a Douc Langur (Pygathrix nemaeus L.)." Journal of Wildlife Diseases 21, no. 4 (October 1985): 426–28. http://dx.doi.org/10.7589/0090-3558-21.4.426.

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18

Coudrat, Camille N. Z., John W. Duckworth, and Robert J. Timmins. "Distribution and Conservation Status of the Red-Shanked Douc (Pygathrix nemaeus) in Lao PDR: An Update." American Journal of Primatology 74, no. 10 (July 31, 2012): 874–89. http://dx.doi.org/10.1002/ajp.22027.

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19

Srivathsan, Amrita, John C. M. Sha, Alfried P. Vogler, and Rudolf Meier. "Comparing the effectiveness of metagenomics and metabarcoding for diet analysis of a leaf-feeding monkey (Pygathrix nemaeus)." Molecular Ecology Resources 15, no. 2 (August 1, 2014): 250–61. http://dx.doi.org/10.1111/1755-0998.12302.

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20

Li, Yiming. "The Seasonal Diet of the Sichuan Snub-Nosed Monkey (Pygathrix roxellana) in Shennongjia Nature Reserve, China." Folia Primatologica 72, no. 1 (2001): 40–43. http://dx.doi.org/10.1159/000049919.

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21

Wright, Kristin A., Nancy J. Stevens, Herbert H. Covert, and Tilo Nadler. "Comparisons of Suspensory Behaviors Among Pygathrix cinerea, P. nemaeus, and Nomascus leucogenys in Cuc Phuong National Park, Vietnam." International Journal of Primatology 29, no. 6 (November 26, 2008): 1467–80. http://dx.doi.org/10.1007/s10764-008-9319-9.

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22

Yiming, Li. "The seasonal daily travel in a group of sichuan snub-nosed monkey (Pygathrix roxellana) in shennongjia nature reserve, China." Primates 43, no. 4 (October 2002): 271–76. http://dx.doi.org/10.1007/bf02629602.

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23

Cubí, Martina, and Miquel Llorente. "Hand preference for a bimanual coordinated task in captive hatinh langurs (Trachypithecus hatinhensis) and grey-shanked douc langurs (Pygathrix cinerea)." Behavioural Processes 187 (June 2021): 104393. http://dx.doi.org/10.1016/j.beproc.2021.104393.

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24

Hasegawa, Hideo, Koichi Murata, and Mitsuhiko Asakawa. "Enterobius (Colobenterobius) pygatrichus sp. n. (Nematoda: Oxyuridae) Collected from a Golden Monkey Pygathrix roxellana (Milne-Edwards, 1870) (Primates: Cercopithecidae: Colobinae)." Comparative Parasitology 69, no. 1 (January 2002): 62–65. http://dx.doi.org/10.1654/1525-2647(2002)069[0062:ecpsnn]2.0.co;2.

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25

Coudrat, C. N. Z., C. Nanthavong, and K. A. I. Nekaris. "Conservation of the red-shanked douc Pygathrix nemaeus in Lao People's Democratic Republic: density estimates based on distance sampling and habitat suitability modelling." Oryx 48, no. 4 (November 26, 2013): 540–47. http://dx.doi.org/10.1017/s0030605313000124.

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AbstractThe Endangered red-shanked douc Pygathrix nemaeus is a charismatic Asian colobine endemic to Vietnam, Cambodia and Lao People's Democratic Republic (PDR). The largest population is found in central-eastern Lao PDR but it has never been quantified. We conducted line-transect surveys in Nakai–Nam Theun National Protected Area in 2011–2012. We used distance sampling combined with a habitat suitability model to estimate group density and group abundance in the area. Our analysis yielded a density of 2.8 (range 1.9–4.1) groups per km2 and c. 4,420 groups within the predicted c. 1,600 km2 of suitable habitat in Nakai–Nam Theun. These are the only available data for P. nemaeus in Lao PDR to date. We discuss the limitations of our survey, which involved potential violations of the distance sampling method, and highlight the challenges of using this method for primates. We also consider the importance of assessing limitations in distance sampling studies, to evaluate reliability and facilitate comparisons. The population of P. nemaeus in Lao PDR is under threat from illegal hunting and is not the focus of any specific conservation action. To avoid a repetition of the decline the species has already experienced in Vietnam, and to secure the species' global survival, conservation projects need to target the population in Nakai–Nam Theun. A long-term conservation and research project in this key biodiversity area will also benefit other threatened and unique co-existing species.

26

TRAN, V. D. "PREDICTING SUITABLE DISTRIBUTION FOR AN ENDEMIC, RARE AND THREATENED SPECIES (GREY-SHANKED DOUC LANGUR, PYGATHRIX CINEREA NADLER, 1997) USING MAXENT MODEL." Applied Ecology and Environmental Research 16, no. 2 (2018): 1275–91. http://dx.doi.org/10.15666/aeer/1602_12751291.

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27

Vu, Thinh T., Dung V. Tran, Hoa T. P. Tran, Manh D. Nguyen, Tuan A. Do, Nga T. Ta, Hien T. Cao, Nhung T. Pham, and Dai V. Phan. "An assessment of the impact of climate change on the distribution of the grey-shanked douc Pygathrix cinerea using an ecological niche model." Primates 61, no. 2 (September 27, 2019): 267–75. http://dx.doi.org/10.1007/s10329-019-00763-8.

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28

Workman, Catherine, and Herbert H. Covert. "Learning the ropes: The ontogeny of locomotion in red-shanked douc (Pygathrix nemaeus), Delacour's (Trachypithecus delacouri), and Hatinh langurs (Trachypithecus hatinhensis) I. positional behavior." American Journal of Physical Anthropology 128, no. 2 (October 2005): 371–80. http://dx.doi.org/10.1002/ajpa.20205.

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29

Ulibarri, Lawrence R., and Kylen N. Gartland. "Group Composition and Social Structure of Red-Shanked Doucs (Pygathrix nemaeus) at Son Tra Nature Reserve, Vietnam." Folia Primatologica, September 15, 2021, 1–12. http://dx.doi.org/10.1159/000518594.

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Multilevel societies, consisting of multiple one-male multi-female units, are relatively rare among primates, but are more widespread in the odd-nosed colobines than other taxa. Multilevel societies are found particularly in snub-nosed monkeys (<i>Rhinopithecus</i>)<i></i>and have been debated in studies of proboscis monkeys (<i>Proboscis</i>). While it has been suggested that douc langurs (<i>Pygathrix</i>) may also form multilevel societies, the limited data available make the details of their social organization unclear. We aimed to establish a more comprehensive picture of the social organization of red-shanked doucs (<i>Pygathrix nemaeus</i>) and to address the question of whether this species forms multilevel societies, specifically collections of multiple distinct one-male units hereafter termed “bands.” We collected 259 h of behavioral data at Son Tra Nature Reserve in Vietnam from February 2010 to May 2011. The mean band size was approximately 18 individuals. Bands were comprised of approximately 2.7 units, and each unit contained approximately 6.5 individuals. Units had an average sex ratio of 1.0:1.6. We observed fission and fusion behaviors which were not correlated with phenological or weather measures. Activity budget data showed that fission and fusion behaviors between units were positively correlated with activity. Both vocalizations and vigilance increased when units engaged in fission. Based on this evidence, <i>P. nemaeus</i> at Son Tra Nature Reserve appear to engage in daily fission-fusion activity which does not vary between seasons. Additionally, our data suggest that these primates may form multilevel societies made up of distinct units. However, future data including proximity pattern analyses are necessary for confirmation.

30

Tuan Anh, Nguyen, Le Duc Minh, Pham Viet Hung, and Vu Thi Duyen. "Modeling the Red-shanked Douc (Pygathrix nemaeus) distribution in Vietnam using Maxent." VNU Journal of Science: Earth and Environmental Sciences 35, no. 3 (September 13, 2019). http://dx.doi.org/10.25073/2588-1094/vnuees.4390.

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The Red-shanked Douc (Pygathrix nemaeus) is the only douc species recorded in all three countries of Indochina. It is classified as Endangered by IUCN, and is believed to have experienced a major drop of more than 50% of its population over the last 40 years. The known distribution of main P. nemaeus populations in Vietnam ranges from Pu Mat National Park, Nghe An Province in the North to the Kon Ha Nung, Gia Lai Province in the South. In this study, we used Maxent, a species distribution modeling approach that is shown to a have high predictive power even with low number of occurrence records, to predict the current distribution of the Red-shanked Douc in Vietnam based on published records. The results show that P. nemaeus inhabits a region from Nghe An to Kon Tum Province, with areas from Ha Tinh, Quang Binh, Quang Tri, Thua Thien – Hue, Da Nang – Quang Nam Provinces exhibiting the highest potential. With all model parameters already listed here, studies in the future may incorporate more occurrence records to develop better models, or other environmental variables to assess the influence of different factors on the species distribution. The results also suggest that species distribution modeling, coupled with a carefully checked and filtered occurrence dataset, as well as species-specific model fine-tuning and evaluating, can help address many conservation issues in Vietnam.

31

Khôi, Lê Vũ, Võ Văn Phú, and Nguyễn Đình Lâm. "DANH LỤC VÀ Ý NGHĨA BẢO TỒN NGUỒN GEN QUÍ HIẾM CÁC LOÀI THÚ Ở KHU BẢO TỒN THIÊN NHIÊN BÀ NÀ, THÀNH PHỐ ĐÀ NẴNG." Hue University Journal of Science: Agriculture and Rural Development 67, no. 4 (May 9, 2012). http://dx.doi.org/10.26459/jard.v67i4.3179.

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Trong bài báo này, chúng tôi giới thiệu danh lục gồm 77 loài thuộc 28 họ, 10 bộ ở khu bảo tồn thiên nhiên Bà Nà, thành phố Đà Nẵng thông qua việc điều tra khu hệ thú ở đó từ 31/3 đến 5/4/2002 và từ tháng 3 đến tháng 7/2007 và kế thừa các kết quả của các nghiên cứu trước đây. Trong 77 loài ghi nhận được ở Bà Nà có 27 loài quý hiếm có giá trị bảo tồn cao, trong đó có 25 loài có tên trong Sách Đỏ Việt Nam (2007), 21 loài trong Danh lục Đỏ IUCN (2002), 26 loài trong Nghị định 32/NĐ-CP của Chính Phủ và Chà vá chân nâu (Pygathrix nemaeus nemaeus) là loài đặc hữu của Việt Nam.

32

Ulibarri, Lawrence R., and Kylen N. Gartland. "Ranging and territoriality in red‐shanked doucs ( Pygathrix nemaeus ) at Son Tra Nature Reserve, Vietnam." American Journal of Primatology 83, no. 8 (June 25, 2021). http://dx.doi.org/10.1002/ajp.23292.

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33

Clayton, Jonathan B., Robin R. Shields‐Cutler, Susan L. Hoops, Gabriel A. Al‐Ghalith, John C. M. Sha, Timothy J. Johnson, and Dan Knights. "Bacterial community structure and function distinguish gut sites in captive red‐shanked doucs (Pygathrix nemaeus)." American Journal of Primatology 81, no. 10-11 (April 18, 2019). http://dx.doi.org/10.1002/ajp.22977.

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34

Chong, Shin Min, Guillaume Douay, Yirui Heng, You Rong Chng, Yih Hong Tay, and Wai Kwan Wong. "Fatal Chryseobacterium indologenes infection in a captive red‐shanked Douc langur ( Pygathrix nemaeus )." Journal of Medical Primatology, March 22, 2022. http://dx.doi.org/10.1111/jmp.12582.

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35

Dang, Nguyen Xuan, and Nguyen Xuan Nghia. "Mammal Fauna in Phong Nha Ke Bang - Hin Nam No Region: the Species Diversity and Conservation Singnificance." ACADEMIA JOURNAL OF BIOLOGY 40, no. 3 (August 2, 2018). http://dx.doi.org/10.15625/2615-9023/v40n3.12656.

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Phong Nha Ke Bang - Hin Nam No Region (PNKB-HNN Region) is one of the world largest limestone conservation landscapes which contains the universal outstanding values on biodiversity and high diversity of flora and fauna. This paper reviewsresults of mammal biodiversity surveys conducted from 1970s to 2017 in PNKB-HNN region to give more comprehensive evaluation of the fauna diversity and conservation significance. The review shows that up to date, 150 mammal species from 32 families and 11 orders have been recorded in PNKN - HNN region. The highest diversity is order Chiroptera(54 species), then follow orders Rodentia (35 species), Carnivora (30 species), Primates (11 species), Artiodactyla (8 species), Soricomorpha (4 species). Other orders (Pholidota, Erinaceomorpha, Lagomorpha, Scandentia and Dermoptera) have only 1-2 species each. PNKB NP alone contains143 species belonging to 32 families and 11 orders while HNN NCA contains 75 species belonging to 32 families and 11 orders. PNKB-HNN region is the home of 56 mammal species of conservation priority including 41 species enlisted in 2017 IUCN Red List, 46 species enlisted in 2007 Vietnam Red Data Book. Out of 41 species enlisted in 2017 IUCN Red List, 3 species are at Critical Endangered category (CR), 9 species at Endangered category (EN), 16 species at Vulnerable category (VU), 10 species are at Near Threatened category (NT) and 3 species are of Deficient Data (DD). Out of 46 species enlisted in Vietnam Red Data Book, 3 species are at CR, 19 species at EN, 21 species at VU, 2species at LR and 1 Species of DD.PNKB NP alone harbors 54 species of conservation priority including 40 globally threatened species, 45 nationally threatened species, 40 species under Governmental Decree No. 32/2006/ND-CP and 24 species under Governmental Decree No. 160/2013/ND-CP. HNN NCA contains 39 species of conservation priority including 32 species enlisted in 2017 IUCN Red List and 34 species enlisted in 2007 Vietnam Red Data Book. The most notable conservation priority species in PNKB-HNN are Hatinh langur Trachypithecus hatinhensis, Red-shanked Douc Pygathrix nemaeus, Laotian Black langur Trachypithecus laotum, Southern White-cheeked Gibbon Nomascus siki, Malaysian Bear Helarctosmalayanus, Sun Bear Ursus thibetanus, Chinese Serow Capricornis milneedwardsii, Annamite Striped Rabbit Nesolagus timminsii and Laotian Rock RatLaonastes aenigmamus.Moreover, PNKB-HNN region is the only home of Laotian Rock RatLaonastes aenigmamus andLao Limestone RatSaxatilomys paulinae