Biodiversity Data Journal : Data Paper (Biosciences)
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Data Paper (Biosciences)
Occurrence dataset of birds in the Xinjizhou National Wetland Park, Nanjing, China
expand article infoWei Shen‡, Zixi Zhao‡, Zheping Xu§, Yong Zhang‡
‡ Co-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, Nanjing, China
§ Chinese Academy of Sciences, Beijing, China
Corresponding author: Yong Zhang (yong.zhang@njfu.edu.cn)
Academic editor: Krizler Tanalgo
Received: 14 Mar 2023 | Accepted: 29 Apr 2023 | Published: 15 May 2023
© 2023 Wei Shen, Zixi Zhao, Zheping Xu, Yong Zhang
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Citation: Shen W, Zhao Z, Xu Z, Zhang Y (2023) Occurrence dataset of birds in the Xinjizhou National Wetland Park, Nanjing, China. Biodiversity Data Journal 11: e103497. https://doi.org/10.3897/BDJ.11.e103497
 Open Access

Abstract

Background

Xinjizhou National Wetland Park is located in Jiangning District, Nanjing, Jiangsu, China. With diverse wetland landscape types, Xinjizhou National Wetland Park maintains high biodiversity all year around. Meanwhile, as an important hub on the East Asian-Australasian Flyway, Xinjizhou National Wetland Park also occupies a core ecological position in the middle and lower reaches of the Yangtze River in Jiangsu Province. Therefore, carrying out systematic bird surveys and consequently understanding the distribution of birds and the seasonal variation of their communities can provide important insights for conservation. We conducted a one-year bird survey in the Xinjizhou National Wetland Park from 2021 to 2022 and provided occurrence datasets, including detailed species and geographic information.This dataset fills the knowledge gap in avian community composition for the Wetland Park and more importantly provides a basis to assess the conservation effectiveness of conservation measures taken in the Wetland Park.

New information

This occurrence dataset is the first public record of birds in Xinjizhou National Wetland Park. All data have been published on GBIF.

Keywords

Xinjizhou National Wetland Park, wetland, birds, dataset

Introduction

Wetlands have a crucial ecosystem function and play a key role in maintaining the survival and reproduction of many organisms (Zedler and Kercher 2005). Birds are rich in species, widely distributed and easy to observe, their population dynamics, community structure and diversity are often used as important indicators for wetland environmental dynamic monitoring (Bart 2005, Zhou et al. 2019, Wang et al. 2022). Wetland parks are important type of constructed wetlands. As a supplement to natural wetlands, wetland parks organically integrate wetland protection, ecological restoration and sustainable utilisation of wetland resources and play an increasingly important role in global ecological protection and sustainable development (Wu et al. 2015).

Xinjizhou National Wetland Park is located in Jiangning District, Nanjing City. It lies in the upstream of the Jiangsu section of the Yangtze River, mainly including Xinji zhou, Xinsheng zhou, Zaisheng zhou, Zimu zhou and Zihui zhou. Xinjizhou National Wetland Park is an important representative of seasonally flooded wetlands in the middle and lower reaches of the Yangtze River. With diverse wetland landscape types, the Park maintains high biodiversity all the year round and, hence, is an important node for biodiversity conservation in the Basin (Wang et al. 2006, Cao et al. 2021).

At the same time, as an important transit station in the East Asian-Australasian Flyway (EAAF), it also occupies an important ecological position in Jiangsu and even the middle and lower reaches of the Yangtze River (Yong et al. 2015). Therefore, carrying out systematic bird surveys and consequently understanding the distribution of birds and the seasonal variation of their communities can provide important insights for conservation of regional bird resources (Ellis et al. 2019, Chen et al. 2021).

In this study, a systematic bird census was carried out monthly in Xinjizhou National Wetland Park from March 2021 to February 2022 to collate the bird distribution and community composition in the Wetland Park. Based on the annual monitoring results, the bird diversity and the seasonal variation of its community are analysed. The results can provide a scientific basis for the protection of bird diversity in Xinjizhou National Wetland Park and a detailed reference for the management and protection of beach wetlands in the middle and lower reaches of the Yangtze River.

Sampling methods

Sampling description: 

A total of 10 survey transects were set up in Xinjizhou National Wetland Park according to the beach area, habitat types and accessibility. The length of the transect ranged from 1.0 to 3.3 km, covering all habitat types in the Wetland Park (Fig. 1). From March 2021 to February 2022, a monthly bird survey was carried out on each of the 10 lines with binoculars (Shuntu 339FT 10*42) and monoculars (Swarovski ATS 20*60), recording birds species and their abundances. For species which were difficult to identify in the field, we used a camera (Canon Eos R6) with telephoto lens (Sigma 150-600mm f/5-6.3 DG OS HSM C) to take pictures and identify them later in the lab. The classification of birds was based on A Checklist on the Classification and Distribution of the Birds of China (Third Edition) (Zheng 2017). The final dataset was organised according to the Darwin Core format and uploaded to GBIF upon the conclusion of annual survey (Shen et al. 2023).

Figure 1.  

The location of the study area and the name of each island.

Geographic coverage

Description: 

We downloaded the Landsat8 satellite image and drew the investigation scope by using ArcGIS (10.7). A total of 10 survey lines were set up, with length between 1.0~3.3 km, covering all habitat types of Wetland Park, including four lines in Xinji Zhou (No. 2, 3, 4, 5), two lines in Xinsheng Zhou (No. 1, 6), two lines in Zaisheng Zhou (No. 7, 10), one line in Zimu Zhou (No. 9) and one line in Zihui Zhou (No.8) (Table 1).

Table 1.
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Distribution of survey transects for bird monitoring in Xinzhou National Wetland Park.

Line number Line location Starting coordinates Ending coordinates Habitat type

1

Zaisheng Zhou

31.82 N, 118.52 E

31.80 N, 118.51 E

wetland, woodland

2

 Xinji Zhou

31.83 N, 118.52 E

31.85 N, 118.51 E

wetland, woodland

3

Xinji Zhou

31.85 N, 118.51 E

31.87 N, 118.52 E

wetland, woodland

4

 Xinji Zhou

31.86 N, 118.53 E

31.86 N, 118.52 E

woodland

5

 Xinji Zhou

31.84 N, 118.53 E

31.85 N, 118.53 E

wetland, woodland

6

 Xinsheng Zhou

31.80 N, 118.51 E

31.80 N, 118.50 E

wetland, woodland

7

 Xinsheng Zhou

31.82 N, 118.51 E

31.81 N, 118.50 E

wetland, woodland, grassland

8

Zihui Zhou

31.86 N, 118.55 E

31.87 N, 118.55 E

wetland, reedbed

9

Zimu Zhou

31.90 N, 118.57 E

31.91 N, 118.58 E

wetland, reed swamp

10

Zaisheng Zhou

31.83 N, 118.52 E

31.82 N, 118.52 E

wetland, woodland, reed swamp
Coordinates: 

31.78 N and 31.93 N Latitude; 118.48 E and 118.59 E Longitude.

Taxonomic coverage

Description: 

A total of 42,542 birds were recorded in this occurrence dataset, belonging to 162 species, 47 families and 16 orders (Table 2). Most species are listed in the Red List of China's Vertebrates and the IUCN Red List (Jiang et al. 2016, IUCN 2022). In the Red List of China's Vertebrates, Ciconia boyciana (Swinhoe, 1873) was ranked as National First-class Protected Wildlife; Anser albifrons (Scopoli, 1769), Cygnus columbianus (Ord, 1815), Aix galericulata (Linnaeus, 1758), Nettapus coromandelianus (Gmelin, 1789), Sibirionetta formosa (Georgi, 1775), Centropus bengalensis (Gmelin, 1788), Podiceps auritus (Linnaeus, 1758), Hydrophasianus chirurgus (Scopoli, 1786), Platalea leucorodia (Linnaeus, 1758), Elanus caeruleus (Desfontaines, 1789), Accipiter trivirgatus (Temminck, 1824), Accipiter soloensis (Horsfield, 1982), Accipiter nisus (Linnaeus, 1758), Accipiter gentilis (Linnaeus, 1758), Milvus migrans (Boddaert, 1783), Buteo japonicus (Temminck & Schlegel, 1844), Halcyon smyrnensis (Linnaeus, 1758), Falco tinnunculus (Linnaeus, 1758), Falco subbuteo (Linnaeus, 1758), Falco peregrinus (Tunstall, 1771), Alauda arvensis (Linnaeus, 1758) and Garrulax canorus (Linnaeus, 1758) were ranked as National Second-class Protected Wildlife. In the IUCN Red List, Mareca falcata (Georgi, 1775), Aythya nyroca (Güldenstädt, 1770) and Vanellus vanellus (Linnaeus, 1758) were ranked as Near Threatened (NT); Aythya ferina (Linnaeus, 1758), Podiceps nigricollis (Brehm, 1831) and Emberiza rustica (Pallas, 1776) were ranked as Vulnerable (VU); Ciconia boyciana (Swinhoe, 1873) was ranked as Endangered (EN).

Table 2.
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Birds species list in the Xinjizhou National Wetland Park.

ID Order Family English name Scientific name Total number of species Red List of China's Vertebrates

IUCN Red List category

Quantity proportion
1 Accipitriformes Accipitridae Black-winged Kite Elanus caeruleus 4 LC LC 0.01%
2 Accipitriformes Accipitridae Crested Goshawk Accipiter trivirgatus 1 LC LC 0.00%
3 Accipitriformes Accipitridae Chinese Sparrowhawk Accipiter soloensis 2 LC LC 0.00%
4 Accipitriformes Accipitridae Eurasian Sparrowhawk Accipiter nisus 4 LC LC 0.01%
5 Accipitriformes Accipitridae Northern Goshawk Accipiter gentilis 1 NT LC 0.00%
6 Accipitriformes Accipitridae Black Kite Milvus migrans 81 LC LC 0.19%
7 Accipitriformes Accipitridae Eastern Buzzard Buteo japonicus 5 NT LC 0.01%
8 Anseriformes Anatidae Bean Goose Anser fabalis 72 EN LC 0.17%
9 Anseriformes Anatidae Greater White-fronted Goose Anser albifrons 9 NT LC 0.02%
10 Anseriformes Anatidae Tundra Swan Cygnus columbianus 20 LC LC 0.05%
11 Anseriformes Anatidae Ruddy Shelduck Tadorna ferruginea 7 LC LC 0.02%
12 Anseriformes Anatidae Mandarin Duck Aix galericulata 3 NT LC 0.01%
13 Anseriformes Anatidae Asian Pygmy Goose Nettapus coromandelianus 7 LC LC 0.02%
14 Anseriformes Anatidae Baikal Teal Sibirionetta formosa 6810 LC LC 16.01%
15 Anseriformes Anatidae Gadwall Mareca strepera 104 LC LC 0.24%
16 Anseriformes Anatidae Northern Shoveler Spatula clypeata 28 LC LC 0.07%
17 Anseriformes Anatidae Falcated Duck Mareca falcata 1011 LC NT 2.38%
18 Anseriformes Anatidae Eurasian Wigeon Mareca penelope 28 LC LC 0.07%
19 Anseriformes Anatidae Eastern Spot-billed Duck Anas zonorhyncha 6528 NT LC 15.34%
20 Anseriformes Anatidae Mallard Anas platyrhynchos 4521 LC LC 10.63%
21 Anseriformes Anatidae Northern Pintail Anas acuta 276 LC LC 0.65%
22 Anseriformes Anatidae Green-winged Teal Anas crecca 648 LC LC 1.52%
23 Anseriformes Anatidae Common Pochard Aythya ferina 30 LC VU 0.07%
24 Anseriformes Anatidae Ferruginous Duck Aythya nyroca 8 LC NT 0.02%
25 Bucerotiformes Upupidae Common Hoopoe Upupa epops 45 LC LC 0.11%
26 Charadriformes Recurvirostridae Black-winged Stilt Himantopus himantopus 1 LC LC 0.00%
27 Charadriformes Recurvirostridae Pied Avocet Recurvirostra avosetta 120 LC LC 0.28%
28 Charadriformes Charadriidae Northern Lapwing Vanellus vanellus 444 LC NT 1.04%
29 Charadriformes Charadriidae Grey-headed Lapwing Vanellus cinereus 208 LC LC 0.49%
30 Charadriformes Charadriidae Little Ringed Plover Charadrius dubius 6 LC LC 0.01%
31 Charadriformes Charadriidae Kentish Plover Charadrius alexandrinus 1 LC LC 0.00%
32 Charadriformes Jacanidae Pheasant-tailed Jacana Hydrophasianus chirurgus 69 LC LC 0.16%
33 Charadriformes Scolopacidae Common Snipe Gallinago gallinago 9 LC LC 0.02%
34 Charadriformes Scolopacidae Common Sandpiper Actitis hypoleucos 3 LC LC 0.01%
35 Charadriformes Scolopacidae Green Sandpiper Tringa ochropus 24 LC LC 0.06%
36 Charadriformes Scolopacidae Common Redshank Tringa totanus 2 NT LC 0.00%
37 Charadriformes Scolopacidae Marsh Sandpiper Tringa stagnatilis 1 LC LC 0.00%
38 Charadriformes Scolopacidae Wood Sandpiper Tringa glareola 1 LC LC 0.00%
39 Charadriformes Scolopacidae Spotted Redshank Tringa erythropus 184 LC LC 0.43%
40 Charadriformes Scolopacidae Common Greenshank Tringa nebularia 24 LC LC 0.06%
41 Charadriformes Glareolidae Oriental Pratincole Glareola maldivarum 20 LC LC 0.05%
42 Charadriformes Laridae Black-headed Gull Chroicocephalus ridibundus 2 LC LC 0.00%
43 Charadriformes Laridae Whiskered Tern Chlidonias hybrida 15 LC LC 0.04%
44 Ciconiiformes Ciconiidae Oriental Stork Ciconia boyciana 16 NT EN 0.04%
45 Columbiformes Columbidae Oriental Turtle Dove Streptopelia orientalis 421 LC LC 0.99%
46 Columbiformes Columbidae Eurasian Collared Dove Streptopelia decaocto 4 LC LC 0.01%
47 Columbiformes Columbidae Red Turtle Dove Streptopelia tranquebarica 19 LC LC 0.04%
48 Columbiformes Columbidae Spotted Dove Streptopelia chinensis 502 LC LC 1.18%
49 Columbiformes Alcedinidae Common Kingfisher Alcedo atthis 20 LC LC 0.05%
50 Columbiformes Alcedinidae Crested Kingfisher Megaceryle lugubris 1 LC LC 0.00%
51 Columbiformes Alcedinidae Pied Kingfisher Ceryle rudis 64 LC LC 0.15%
52 Columbiformes Alcedinidae White-throated Kingfisher Halcyon smyrnensis 3 LC LC 0.01%
53 Cuculiformes Cuculidae Lesser Coucal Centropus bengalensis 8 LC LC 0.02%
54 Cuculiformes Cuculidae Chestnut-winged Cuckoo Clamator coromandus 2 LC LC 0.00%
55 Cuculiformes Cuculidae Common Koel Eudynamys scolopaceus 17 LC LC 0.04%
56 Cuculiformes Cuculidae Large Hawk Cuckoo Hierococcyx sparverioides 16 EN LC 0.04%
57 Cuculiformes Cuculidae Indian Cuckoo Cuculus micropterus 15 LC LC 0.04%
58 Cuculiformes Cuculidae Common Cuckoo Cuculus canorus 9 NT LC 0.02%
59 Falconiformes Falconidae Common Kestrel Falco tinnunculus 2 LC LC 0.00%
60 Falconiformes Falconidae Eurasian Hobby Falco subbuteo 3 LC LC 0.01%
61 Falconiformes Falconidae Peregrine Falcon Falco peregrinus 2 LC LC 0.00%
62 Galliformes Phasianidae Chinese Bamboo Partridge Bambusicola thoracicus 25 LC LC 0.06%
63 Galliformes Phasianidae Common Pheasant Phasianus colchicus 339 LC LC 0.80%
64 Galliformes Rallidae Brown-cheeked Rail Rallus indicus 3 LC LC 0.01%
65 Galliformes Rallidae Brown Crake Zapornia akool 3 LC LC 0.01%
66 Galliformes Rallidae White-breasted Waterhen Amaurornis phoenicurus 4 LC LC 0.01%
67 Galliformes Rallidae Common Moorhen Gallinula chloropus 393 LC LC 0.92%
68 Galliformes Rallidae Common Coot Fulica atra 510 LC LC 1.20%
69 Passeriformes Campephagidae Ashy Minivet Pericrocotus divaricatus 2 LC LC 0.00%
70 Passeriformes Campephagidae Swinhoe's Minivet Pericrocotus cantonensis 18 LC LC 0.04%
71 Passeriformes Campephagidae Black-winged Cuckoo-shrike Lalage melaschistos 18 NT LC 0.04%
72 Passeriformes Laniidae Brown Shrike Lanius cristatus 66 NT LC 0.16%
73 Passeriformes Laniidae Long-tailed Shrike Lanius schach 175 LC LC 0.41%
74 Passeriformes Oriolidae Black-naped Oriole Oriolus chinensis 58 NT LC 0.14%
75 Passeriformes Dicruridae Black Drongo Dicrurus macrocercus 170 LC LC 0.40%
76 Passeriformes Dicruridae Ashy Drongo Dicrurus leucophaeus 7 LC LC 0.02%
77 Passeriformes Monarchidae Oriental Paradise Flycatcher Terpsiphone affinis 8 LC LC 0.02%
78 Passeriformes Corvidae Azure-winged Magpie Cyanopica cyanus 458 LC LC 1.08%
79 Passeriformes Corvidae Red-billed Blue Magpie Urocissa erythroryncha 29 LC LC 0.07%
80 Passeriformes Corvidae Grey Treepie Dendrocitta formosae 316 LC LC 0.74%
81 Passeriformes Corvidae Common Magpie Pica pica 874 LC LC 2.05%
82 Passeriformes Paridae Great Tit Parus major 535 LC LC 1.26%
83 Passeriformes Remizidae Chinese Penduline Tit Remiz consobrinus 70 LC LC 0.16%
84 Passeriformes Alaudidae Oriental Skylark Alauda gulgula 33 LC LC 0.08%
85 Passeriformes Alaudidae Eurasian Skylark Alauda arvensis 1 LC LC 0.00%
86 Passeriformes Pycnonotidae Collared Finchbill Spizixos semitorques 10 LC LC 0.02%
87 Passeriformes Pycnonotidae Light-vented Bulbul Pycnonotus sinensis 2693 LC LC 6.33%
88 Passeriformes Pycnonotidae Black Bulbul Hypsipetes leucocephalus 11 LC LC 0.03%
89 Passeriformes Hirundinidae Barn Swallow Hirundo rustica 342 NT LC 0.80%
90 Passeriformes Hirundinidae Red-rumped Swallow Cecropis daurica 142 LC LC 0.33%
91 Passeriformes Cettiidae Rufous-faced Warbler Abroscopus albogularis 6 LC LC 0.01%
92 Passeriformes Cettiidae Manchurian Bush Warbler Horornis canturians 56 LC LC 0.13%
93 Passeriformes Cettiidae Brownish-flanked Bush Warbler Horornis fortipes 39 LC LC 0.09%
94 Passeriformes Aegithalidae Silver-throated Bushtit Aegithalos glaucogularis 326 LC LC 0.77%
95 Passeriformes Aegithalidae Black-throated Bushtit Aegithalos concinnus 66 LC LC 0.16%
96 Passeriformes Phylloscopidae Yellow-browed Warbler Phylloscopus inornatus 89 LC LC 0.21%
97 Passeriformes Phylloscopidae Pallas's Leaf Warbler Phylloscopus proregulus 65 LC LC 0.15%
98 Passeriformes Phylloscopidae Dusky Warbler Phylloscopus fuscatus 35 NT LC 0.08%
99 Passeriformes Acrocephalidae Oriental Reed Warbler Acrocephalus orientalis 3 LC LC 0.01%
100 Passeriformes Cisticolidae Zitting Cisticola Cisticola juncidis 17 LC LC 0.04%
101 Passeriformes Cisticolidae Plain Prinia Prinia inornata 11 LC LC 0.03%
102 Passeriformes Sylviidae Grey-headed Parrotbill Psittiparus gularis 1 LC LC 0.00%
103 Passeriformes Leiothrichidae Hwamei Garrulax canorus 3 LC LC 0.01%
104 Passeriformes Leiothrichidae Greater Necklaced Laughingthrush Garrulax pectoralis 7 LC LC 0.02%
105 Passeriformes Leiothrichidae Masked Laughingthrush Garrulax perspicillatus 799 LC LC 1.88%
106 Passeriformes Sylviidae Vinous-throated Parrotbill Sinosuthora webbiana 1546 LC LC 3.63%
107 Passeriformes Sturnidae Crested Myna Acridotheres cristatellus 125 LC LC 0.29%
108 Passeriformes Sturnidae Silky Starling Spodiopsar sericeus 255 LC LC 0.60%
109 Passeriformes Sturnidae White-cheeked Starling Spodiopsar cineraceus 1031 LC LC 2.42%
110 Passeriformes Sturnidae Black-collared Starling Gracupica nigricollis 2 LC LC 0.00%
111 Passeriformes Turdidae White's Thrush Zoothera aurea 4 LC LC 0.01%
112 Passeriformes Turdidae Grey-backed Thrush Turdus hortulorum 2 LC LC 0.00%
113 Passeriformes Turdidae Japanese Thrush Turdus cardis 4 LC LC 0.01%
114 Passeriformes Turdidae Chinese Blackbird Turdus mandarinus 666 LC LC 1.57%
115 Passeriformes Turdidae Naumann's Thrush Turdus naumanni 5 LC LC 0.01%
116 Passeriformes Turdidae Dusky Thrush Turdus eunomus 3 LC LC 0.01%
117 Passeriformes Muscicapidae Oriental Magpie Robin Copsychus saularis 6 LC LC 0.01%
118 Passeriformes Muscicapidae Grey-streaked Flycatcher Muscicapa griseisticta 1 LC LC 0.00%
119 Passeriformes Muscicapidae Orange-flanked Bluetail Tarsiger cyanurus 34 LC LC 0.08%
120 Passeriformes Muscicapidae Blue Whistling Thrush Myophonus caeruleus 6 LC LC 0.01%
121 Passeriformes Muscicapidae Mugimaki Flycatcher Ficedula mugimaki 1 LC LC 0.00%
122 Passeriformes Muscicapidae Daurian Redstart Phoenicurus auroreus 163 LC LC 0.38%
123 Passeriformes Muscicapidae Siberian Stonechat Saxicola maurus 14 LC LC 0.03%
124 Passeriformes Passeridae Eurasian Tree Sparrow Passer montanus 403 NT LC 0.95%
125 Passeriformes Estrildidae White-rumped Munia Lonchura striata 23 LC LC 0.05%
126 Passeriformes Motacillidae Gray Wagtail Motacilla cinerea 1 LC LC 0.00%
127 Passeriformes Motacillidae White Wagtail Motacilla alba 89 LC LC 0.21%
128 Passeriformes Motacillidae Olive-backed Pipit Anthus hodgsoni 181 LC LC 0.43%
129 Passeriformes Motacillidae Buff-bellied Pipit Anthus rubescens 1 LC LC 0.00%
130 Passeriformes Fringillidae Brambling Fringilla montifringilla 622 LC LC 1.46%
131 Passeriformes Fringillidae Chinese Grosbeak Eophona migratoria 873 LC LC 2.05%
132 Passeriformes Fringillidae Japanese Grosbeak Eophona personata 43 LC LC 0.10%
133 Passeriformes Fringillidae Grey-capped Greenfinch Chloris sinica 143 LC LC 0.34%
134 Passeriformes Emberizidae Tristram's Bunting Emberiza tristrami 1 LC LC 0.00%
135 Passeriformes Emberizidae Little Bunting Emberiza pusilla 45 LC LC 0.11%
136 Passeriformes Emberizidae Yellow-browed Bunting Emberiza chrysophrys 73 LC LC 0.17%
137 Passeriformes Emberizidae Rustic Bunting Emberiza rustica 60 LC VU 0.14%
138 Passeriformes Emberizidae Yellow-throated Bunting Emberiza elegans 228 LC LC 0.54%
139 Passeriformes Emberizidae Black-faced Bunting Emberiza spodocephala 216 LC LC 0.51%
140 Passeriformes Emberizidae Pallas's Bunting Emberiza pallasi 35 LC LC 0.08%
141 Passeriformes Emberizidae Reed Bunting Emberiza schoeniclus 20 LC LC 0.05%
142 Pelecaniformes Threskiornithidae Eurasian Spoonbill Platalea leucorodia 272 LC LC 0.64%
143 Pelecaniformes Ardeidae Eurasian Bittern Botaurus stellaris 2 LC LC 0.00%
144 Pelecaniformes Ardeidae Yellow Bittern Ixobrychus sinensis 3 LC LC 0.01%
145 Pelecaniformes Ardeidae Black Bittern Ixobrychus flavicollis 4 LC LC 0.01%
146 Pelecaniformes Ardeidae Black-crowned Night Heron Nycticorax nycticorax 261 LC LC 0.61%
147 Pelecaniformes Ardeidae Striated Heron Butorides striata 12 LC LC 0.03%
148 Pelecaniformes Ardeidae Chinese Pond Heron Ardeola bacchus 197 LC LC 0.46%
149 Pelecaniformes Ardeidae Cattle Egret Bubulcus ibis 82 LC LC 0.19%
150 Pelecaniformes Ardeidae Grey Heron Ardea cinerea 402 LC LC 0.94%
151 Pelecaniformes Ardeidae Purple Heron Ardea purpurea 11 LC LC 0.03%
152 Pelecaniformes Ardeidae Great Egret Ardea alba 174 LC LC 0.41%
153 Pelecaniformes Ardeidae Intermediate Egret Ardea intermedia 25 NT LC 0.06%
154 Pelecaniformes Ardeidae Little Egret Egretta garzetta 364 LC LC 0.86%
155 Piciformes Picidae Speckled Piculet Picumnus innominatus 4 NT LC 0.01%
156 Piciformes Picidae Grey-capped Woodpecker Dendrocopos canicapillus 24 LC LC 0.06%
157 Piciformes Picidae Great Spotted Woodpecker Dendrocopos major 33 LC LC 0.08%
158 Piciformes Picidae Grey-headed Woodpecker Picus canus 1 LC LC 0.00%
159 Podicipediformes Podicipedidae Little Grebe Tachybaptus ruficollis 406 LC LC 0.95%
160 Podicipediformes Podicipedidae Horned Grebe Podiceps auritus 1 LC VU 0.00%
161 Podicipediformes Podicipedidae Great Crested Grebe Podiceps cristatus 55 LC LC 0.13%
162 Suliformes Phalacrocoracidae Great Cormorant Phalacrocorax carbo 1937 LC LC 4.55%

Temporal coverage

Notes: 

We conducted this survey from March 2021 to February 2022. The specific dates of this period were: 23/03/2021; 24/03/2021; 21/04/2021; 25/04/2021; 24/05/2021; 25/05/2021; 24/06/2021; 25/06/2021; 14/07/2021; 15/07/2021; 25/08/2021; 26/08/2021; 28/09/2021; 13/10/2021; 26/10/2021; 18/11/2021; 19/11/2021; 21/12/2021; 22/12/2021; 11/01/2022; 12/01/2022; 22/02/2022; 23/02/2022 (Table 3).

Table 3.
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Survey details

No. Start Date End Date Sites Completed Sites Not Completed
1 23/03/2021 24/03/2021 1 2 3 4 5 6 7 8 9 10
2 21/04/2021 25/04/2021 1 2 3 4 5 6 7 8 9 10
3 24/05/2021 25/05/2021 1 2 3 4 5 6 7 10 8 (due to high water level)
4 24/06/2021 25/06/2021 1 2 3 4 5 6 7 8 9 10
5 14/07/2021 15/07/2021 1 2 3 4 5 6 7 8 9 10
6 25/08/2021 26/08/2021 1 2 3 4 5 6 7 8 9 10
7 28/09/2021 - 1 2 3 4 5 6 7 10 8 9 (due to high water level)
8 13/10/2021 26/10/2021 1 2 3 4 5 6 7 8 9 10
9 18/11/2021 19/11/2021 1 2 3 4 5 6 7 8 9 10
10 21/12/2021 22/12/2021 1 2 3 4 5 6 7 8 9 10
11 11/01/2022 12/01/2022 1 2 3 4 5 6 7 8 9 10
12 22/02/2022 23/02/2022 1 2 3 4 5 6 7 8 9 10

Usage licence

Usage licence: 
Creative Commons Public Domain Waiver (CC-Zero)

Data resources

Data package title: 
Occurrence dataset of birds in the Xinjizhou National Wetland Park, Nanjing, China
Resource link: 
https://www.gbif.org/dataset/e631a759-36c9-4c34-98c4-35f9d110a1f5#description
Alternative identifiers: 
http://www.gbifchina.org.cn/resource?r=xinjizhou
Number of data sets: 
1
Data set name: 
Occurrence dataset of birds in the Xinjizhou National Wetland Park, Nanjing, China
Download URL: 
https://www.gbif.org/zh/occurrence/download?dataset_key=e631a759-36c9-4c34-98c4-35f9d110a1f5
Data format: 
Darwin Core Archive format
Description: 

Our occurrence dataset contains 35 column labels. All occurrence records are georeferenced. Due to the limitations of the sample line method, the positions of all recorded birds are replaced by lines' ID.

Column label Column description
eventID An identifier for the set of information associated with an Event (something that occurs at a place and time).
samplingProtocol The names of, references to, or descriptions of the methods or protocols used during an Event.
samplingEffort The amount of effort expended during an Event.
sampleSizeValue A numeric value for a measurement of the size (time duration, length, area or volume) of a sample in a sampling event.
sampleSizeUnit The unit of measurement of the size (time duration, length, area or volume) of a sample in a sampling event.
year The four-digit year in which the Event occurred, according to the Common Era Calendar.
eventDate The date-time or interval during which an Event occurred. For occurrences, this is the date-time when the event was recorded. Not suitable for a time in a geological context.
eventTime The time or interval during which an Event occurred.
country The name of the country or major administrative unit in which the Location occurs.
countryCode The standard code for the country in which the Location occurs.
stateProvince The name of the next smaller administrative region than country (state, province, canton, department, region etc.) in which the Location occurs.
locality The specific description of the place.
locationID An identifier for the set of location information (data associated with dcterms:Location). May be a global unique identifier or an identifier specific to the dataset.
location A spatial region or named place.
decimalLatitude The geographic latitude (in decimal degrees, using the spatial reference system given in geodeticDatum) of the geographic centre of a Location. Positive values are north of the Equator, negative values are south of it. Legal values lie between -90 and 90, inclusive.
decimalLongitude The geographic longitude (in decimal degrees, using the spatial reference system given in geodeticDatum) of the geographic centre of a Location. Positive values are east of the Greenwich Meridian, negative values are west of it. Legal values lie between -180 and 180, inclusive.
geodeticDatum The ellipsoid, geodetic datum or spatial reference system (SRS) upon which the geographic coordinates given in decimalLatitude and decimalLongitude are based.
coordinateUncertaintyInMetres The horizontal distance (in metres) from the given decimalLatitude and decimalLongitude describing the smallest circle containing the whole of the Location. Leave the value empty if the uncertainty is unknown, cannot be estimated or is not applicable (because there are no coordinates). Zero is not a valid value for this term.
type The nature or genre of the resource.
ownerInstitutionCode The name (or acronym) in use by the institution having ownership of the object(s) or information referred to in the record.
language A language of the resource.
occurrenceID An identifier for the Occurrence (as opposed to a particular digital record of the occurrence). In the absence of a persistent global unique identifier, construct one from a combination of identifiers in the record that will most closely make the occurrenceID globally unique.
basisOfRecord The specific nature of the data record.
individualCount The number of individuals present at the time of the Occurrence.
organismQuantity A number or enumeration value for the quantity of organisms.
organismQuantityType The type of quantification system used for the quantity of organisms.
occurrenceStatus A statement about the presence or absence of a Taxon at a Location.
scientificName The full scientific name, with authorship and date information, if known. When forming part of an Identification, this should be the name in the lowest level taxonomic rank that can be determined. This term should not contain identification qualifications, which should instead be supplied in the IdentificationQualifier term.
kingdom The full scientific name of the kingdom in which the taxon is classified.
phylum The full scientific name of the phylum or division in which the taxon is classified.
class The full scientific name of the class in which the taxon is classified.
order The full scientific name of the order in which the taxon is classified.
family The full scientific name of the family in which the taxon is classified.
taxonRank The taxonomic rank of the most specific name in the scientificName.
recordedBy A person, group or organisation responsible for recording the original Occurrence.

Acknowledgements

This research was supported by the National Natural Science Foundation of China (Grant No. 42271116). We are grateful to Ding Chen, Lijun Xiao for helping us to carry out the birds census.

Author contributions

Wei Shen - data preparation, species identification, manuscript editing; Zixi Zhao - GIS processing; Zheping Xu - review and upload data to GBIF; Yong Zhang - supervising, review and editing.

References

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