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  "author": null,
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  "author": null,
            
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  "author_email": null,
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  "code": "7b.b.cb",
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  "code": "7b.b.cb",
            
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  "contributor": "NIOZ Royal Netherlands Institute for Sea Research",
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  "contributor": "NIOZ Royal Netherlands Institute for Sea Research",
            
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  "creator_user_id": "f40b9341-3690-4802-861d-c5204dbac7d5",
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  "creator_user_id": "f40b9341-3690-4802-861d-c5204dbac7d5",
            
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  "creators": 
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  "creators": 
            
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\"firstname\":\"Roeland\",\"lastname\":\"Bom\",\"affiliation\":\"Royal 
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\"firstname\":\"Roeland\",\"lastname\":\"Bom\",\"affiliation\":\"Royal 
            
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Netherlands Institute for Sea 
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Netherlands Institute for Sea 
            
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iladdress\":\"roeland.bom@nioz.nl\",\"iscorrespondingauthor\":true}]",
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iladdress\":\"roeland.bom@nioz.nl\",\"iscorrespondingauthor\":true}]",
            
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  "dataset_persistent_id": "DOI:10.33591/nioz/7b.b.cb",
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  "dataset_persistent_id": "DOI:10.33591/nioz/7b.b.cb",
            
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  "dates": 
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  "dates": 
            
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-12-30T23:00:00.000Z\",\"type\":\"collected\",\"information\":\"\"}]",
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-12-30T23:00:00.000Z\",\"type\":\"collected\",\"information\":\"\"}]",
            
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  "deposit_date": "2020-09-30",
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  "deposit_date": "2020-09-30",
            
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  "depositor": "Roeland Bom",
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  "depositor": "Roeland Bom",
            
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  "distribution_date": "2020-09-30",
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  "distribution_date": "2020-09-30",
            
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  "distributor": "Research Data Management(NIOZ Royal Netherlands 
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  "distributor": "Research Data Management(NIOZ Royal Netherlands 
            
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Institute for Sea Research)",
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Institute for Sea Research)",
            
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  "doi_date_published": "2020-09-30",
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  "doi_date_published": "2020-09-30",
            
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  "funding_references": 
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  "funding_references": 
            
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e\":\"TRC\",\"awardnumber\":\"ORG/EBR/12/002\",\"awardtitle\":\"\"}]",
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e\":\"TRC\",\"awardnumber\":\"ORG/EBR/12/002\",\"awardtitle\":\"\"}]",
            
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  "geographic_coverage": "[{\"place\":\"Barr Al Hikman, Sultanate of 
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  "geographic_coverage": "[{\"place\":\"Barr Al Hikman, Sultanate of 
            
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ngitude_1\":20.6714,\"latitude_2\":20.7772,\"longitude_2\":58.6366}]",
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  "metadata_modified": "2024-10-22T09:43:44.249122",
            
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  "name": "7bbcb",
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  "name": "7bbcb",
            
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  "notes": "Brachyuran crabs are an important ecological and 
33
  "notes": "Brachyuran crabs are an important ecological and 
            
34
economical, yet often unstudied aspect of intertidal\nmudflats of the 
34
economical, yet often unstudied aspect of intertidal\nmudflats of the 
            
35
Arabian Peninsula. Here we provide baseline density estimates of crabs 
35
Arabian Peninsula. Here we provide baseline density estimates of crabs 
            
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at the relatively\npristine intertidal mudflats of Barr Al Hikman 
36
at the relatively\npristine intertidal mudflats of Barr Al Hikman 
            
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(Sultanate of Oman) and provide information on their life\ncycle and 
37
(Sultanate of Oman) and provide information on their life\ncycle and 
            
38
habitat preference. Across the winters of 2012\u20132015 crabs were 
38
habitat preference. Across the winters of 2012\u20132015 crabs were 
            
39
sampled on a grid covering the\nentire intertidal depth gradient. 29 
39
sampled on a grid covering the\nentire intertidal depth gradient. 29 
            
40
species were found and average densities varied between 12 and 
40
species were found and average densities varied between 12 and 
            
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54\ncrabs/m2. Deposit-feeding and herbivorous crabs were the most 
41
54\ncrabs/m2. Deposit-feeding and herbivorous crabs were the most 
            
42
abundant species across all winters. Size\nfrequency data and the 
42
abundant species across all winters. Size\nfrequency data and the 
            
43
presence of ovigerous females show that most crabs species reproduce 
43
presence of ovigerous females show that most crabs species reproduce 
            
44
in the\nintertidal area. P. segnis, the most important crab for local 
44
in the\nintertidal area. P. segnis, the most important crab for local 
            
45
fisheries, was found to use the intertidal area as\na nursery ground. 
45
fisheries, was found to use the intertidal area as\na nursery ground. 
            
46
We analysed the relationship between the two most abundant crab 
46
We analysed the relationship between the two most abundant crab 
            
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species,\nMacrophthalmus sulcatus and Thalamita poissonii and the 
47
species,\nMacrophthalmus sulcatus and Thalamita poissonii and the 
            
48
environmental variables: seagrass density, tidal\nelevation, median 
48
environmental variables: seagrass density, tidal\nelevation, median 
            
49
grain size and sediment depth using Random Forest models. The 
49
grain size and sediment depth using Random Forest models. The 
            
50
predictive capacity of\nthe models and the relative importance of the 
50
predictive capacity of\nthe models and the relative importance of the 
            
51
environmental predictors varied between years, but crab\ndensities in 
51
environmental predictors varied between years, but crab\ndensities in 
            
52
general were positively associated with seagrass density, presumably 
52
general were positively associated with seagrass density, presumably 
            
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because seagrass offers\nfeeding habitat.",
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because seagrass offers\nfeeding habitat.",
            
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  "state": "active",
            
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  "subject": "Earth and Environmental Sciences",
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  "subject": "Earth and Environmental Sciences",
            
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  "tags": [
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  "tags": [
            
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    {
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    {
            
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      "display_name": "Barr Al Hikman",
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      "display_name": "Barr Al Hikman",
            
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      "id": "899f94f6-9930-4612-8900-5aa8bd877332",
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      "id": "899f94f6-9930-4612-8900-5aa8bd877332",
            
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      "name": "Barr Al Hikman",
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    },
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    },
            
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    {
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    {
            
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      "display_name": "Brachyuran crabs",
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      "display_name": "Brachyuran crabs",
            
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      "id": "e00c5e26-0d0d-42d3-abe8-e1f68e1e2e28",
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      "id": "e00c5e26-0d0d-42d3-abe8-e1f68e1e2e28",
            
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      "name": "Brachyuran crabs",
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      "name": "Brachyuran crabs",
            
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      "state": "active",
            
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      "vocabulary_id": null
            
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    },
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    },
            
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    {
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    {
            
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      "display_name": "Nursery ground",
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      "display_name": "Nursery ground",
            
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      "id": "e7356d23-520a-487c-973e-5614d7d18a40",
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      "id": "e7356d23-520a-487c-973e-5614d7d18a40",
            
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      "name": "Nursery ground",
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      "name": "Nursery ground",
            
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      "state": "active",
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      "state": "active",
            
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      "vocabulary_id": null
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      "vocabulary_id": null
            
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    },
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    },
            
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    {
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    {
            
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      "display_name": "Portunus segnis",
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      "display_name": "Portunus segnis",
            
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      "id": "931f9906-acba-43b3-8f5d-4f2058d3ae6e",
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      "id": "931f9906-acba-43b3-8f5d-4f2058d3ae6e",
            
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      "name": "Portunus segnis",
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      "name": "Portunus segnis",
            
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      "state": "active",
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      "state": "active",
            
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      "vocabulary_id": null
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      "vocabulary_id": null
            
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    },
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    },
            
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    {
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    {
            
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      "display_name": "Seagrass",
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      "display_name": "Seagrass",
            
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      "id": "605a57ce-f251-45d6-ac3b-ec343239010d",
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      "id": "605a57ce-f251-45d6-ac3b-ec343239010d",
            
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      "name": "Seagrass",
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      "name": "Seagrass",
            
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      "state": "active",
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      "state": "active",
            
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      "vocabulary_id": null
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      "vocabulary_id": null
            
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    },
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    },
            
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    {
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    {
            
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      "display_name": "Sultanate of Oman",
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      "display_name": "Sultanate of Oman",
            
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      "id": "3e18af3d-ac97-4843-9576-bae8e7bbbc01",
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      "id": "3e18af3d-ac97-4843-9576-bae8e7bbbc01",
            
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      "name": "Sultanate of Oman",
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      "name": "Sultanate of Oman",
            
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      "state": "active",
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      "state": "active",
            
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      "vocabulary_id": null
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      "vocabulary_id": null
            
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    }
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    }
            
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  ],
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  ],
            
144
  "title": "The intertidal mudflats of Barr Al Hikman, Sultanate of 
166
  "title": "The intertidal mudflats of Barr Al Hikman, Sultanate of 
            
145
Oman, as feeding, reproduction and nursery grounds for brachyuran 
167
Oman, as feeding, reproduction and nursery grounds for brachyuran 
            
146
crabs",
168
crabs",
            
147
  "type": "dataset",
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  "type": "dataset",
            
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  "url": "https://dataportal.nioz.nl/doi/10.33591/nioz/7b.b.cb",
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  "url": "https://dataportal.nioz.nl/doi/10.33591/nioz/7b.b.cb",
            
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  "version": "1"
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  "version": "1"
            
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}
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}