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Thomas Ziegler
Cologne Zoo
Cologne, Germany
7 articles by this author
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Research Article
Assessment of the threat status of reptile species from Vietnam - Implementation of the One Plan Approach to Conservation
    Lilli Stenger,     Anke Große Hovest,     Truong Quang Nguyen,     Cuong The Pham,     Anna Rauhaus,     Minh Duc Le,     Dennis Rödder,     Thomas Ziegler
10.3897/natureconservation.53.106923
 05-09-2023
 Unique: 364 | Total: 557  | Access Period:
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 183-221
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Research Article
Assessment of the threat status of the amphibians in Vietnam - Implementation of the One Plan Approach
    Marie Krzikowski,     Truong Q. Nguyen,     Cuong T. Pham,     Dennis Rödder,     Anna Rauhaus,     Minh D. Le,     Thomas Ziegler
10.3897/natureconservation.49.82145
 04-07-2022
 Unique: 1752 | Total: 2759  | Access Period:
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 77-116
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Research Article
Threats from wildlife trade: The importance of genetic data in safeguarding the endangered Four-eyed Turtle (Sacalia quadriocellata)
    Minh Duc Le, Timothy E.M. McCormack, Ha Van Hoang, Ha Thuy Duong,     Truong Quang Nguyen, Thomas Ziegler, Hanh Duc Nguyen, Hanh Thi Ngo
10.3897/natureconservation.41.54661
 10-09-2020
 Unique: 2911 | Total: 5688  | Access Period:
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 91-111
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Research Article
The extent of the illegal trade with terrestrial vertebrates in markets and households in Khammouane Province, Lao PDR
Katharina Kasper, Jonas Schweikhard,     Max Lehmann, Cara Leonie Ebert, Petra Erbe, Sengdeuane Wayakone,     Truong Q. Nguyen, M. D. Le, Thomas Ziegler
10.3897/natureconservation.41.51888
 18-08-2020
 Unique: 3273 | Total: 8616  | Access Period:
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 25-45
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Research Article
A case study on trade in threatened Tiger Geckos (Goniurosaurus) in Vietnam including updated information on the abundance of the Endangered G. catbaensis
Hai Ngoc Ngo,     Truong Quang Nguyen,     Tien Quang Phan, Mona van Schingen, Thomas Ziegler
10.3897/natureconservation.32.33590
 01-04-2019
 Unique: 3305 | Total: 6467  | Access Period:
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 1-19
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Research Article
Microhabitat selection and communal nesting in the insular Psychedelic Rock Gecko, Cnemaspis psychedelica, in Southern Vietnam with updated information on trade
Hai Ngoc Ngo,     Truong Quang Nguyen,     Tan Van Nguyen, Mona van Schingen, Thomas Ziegler
10.3897/natureconservation.31.28145
 04-12-2018
 Unique: 3553 | Total: 6660  | Access Period:
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 1-16
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Research Article
First population assessment of the Asian Water Dragon (Physignathus cocincinus Cuvier, 1829) in Thua Thien Hue Province, Vietnam
    Truong Quang Nguyen, Hai Ngoc Ngo, Cuong The Pham, Hoang Nguyen Van, Chung Dac Ngo, Mona van Schingen, Thomas Ziegler
10.3897/natureconservation.26.21818
 15-03-2018
 Unique: 3516 | Total: 6457  | Access Period:
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 1-14
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