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{
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{
            
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  "Creator": "Kathleen M. R\u00fchland, Marlene Evans and John P. 
2
  "Creator": "Kathleen M. R\u00fchland, Marlene Evans and John P. 
            
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Smol",
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Smol",
            
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  "author": null,
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  "author": null,
            
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  "author_email": null,
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  "author_email": null,
            
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  "creator_user_id": "3d05e0de-1423-4655-b300-645717582c74",
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  "creator_user_id": "3d05e0de-1423-4655-b300-645717582c74",
            
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  "description": "",
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  "description": "",
            
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  "funding_program": "",
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  "funding_program": "",
            
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  "geographic_range": [
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  "geographic_range": [
            
10
    "North Slave",
10
    "North Slave",
            
11
    "South Slave"
11
    "South Slave"
            
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  ],
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  ],
            
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  "groups": [],
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  "groups": [],
            
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  "id": "90caea97-8705-497c-9215-ad4a198d9078",
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  "id": "90caea97-8705-497c-9215-ad4a198d9078",
            
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  "isopen": false,
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  "isopen": false,
            
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  "license_id": "notspecified",
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  "license_id": "notspecified",
            
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  "license_title": "License Not Specified",
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  "license_title": "License Not Specified",
            
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  "local_relevance": "This study documents a rapid change in the algal 
18
  "local_relevance": "This study documents a rapid change in the algal 
            
19
community composition of Great Slave Lake in the NWT, which could have 
19
community composition of Great Slave Lake in the NWT, which could have 
            
20
significant impacts on the entire food web of the lake.",
20
significant impacts on the entire food web of the lake.",
            
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  "maintainer": null,
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  "maintainer": null,
            
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  "maintainer_email": null,
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  "maintainer_email": null,
            
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  "metadata_created": "2024-02-01T18:59:58.567112",
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  "metadata_created": "2024-02-01T18:59:58.567112",
            
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  "metadata_modified": "2024-02-01T18:59:58.567117",
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  "metadata_modified": "2024-02-01T19:00:39.389404",
            
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  "metatags": "Great Slave 
25
  "metatags": "Great Slave 
            
26
Lake,Lakes,Ecosystems,Algae,Limnology,Paleolimnology,Diatoms",
26
Lake,Lakes,Ecosystems,Algae,Limnology,Paleolimnology,Diatoms",
            
27
  "modified_date": "2023-06-05",
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  "modified_date": "2023-06-05",
            
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  "name": 
28
  "name": 
            
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s-striking-twenty-first-century-ecosystem-shifts-in-great-slave-lake",
29
s-striking-twenty-first-century-ecosystem-shifts-in-great-slave-lake",
            
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  "notes": "This study documents the rapid restructuring of algal 
30
  "notes": "This study documents the rapid restructuring of algal 
            
31
community composition ca 2000 CE that is consistent with recent 
31
community composition ca 2000 CE that is consistent with recent 
            
32
climate change impacts in the region.",
32
climate change impacts in the region.",
            
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  "num_resources": 0,
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  "num_resources": 1,
            
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  "num_tags": 7,
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  "num_tags": 7,
            
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  "organization": {
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  "organization": {
            
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    "approval_status": "approved",
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    "approval_status": "approved",
            
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    "created": "2023-11-27T15:29:16.450990",
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    "created": "2023-11-27T15:29:16.450990",
            
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    "description": "",
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    "description": "",
            
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    "id": "76bec39b-e0d4-4f47-8eb8-0a7e4a6698f3",
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    "id": "76bec39b-e0d4-4f47-8eb8-0a7e4a6698f3",
            
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    "image_url": "",
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    "image_url": "",
            
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    "is_organization": true,
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    "is_organization": true,
            
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    "name": "academic-journal",
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    "name": "academic-journal",
            
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    "state": "active",
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    "state": "active",
            
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    "title": "Academic Journal",
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    "title": "Academic Journal",
            
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    "type": "organization"
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    "type": "organization"
            
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  },
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  },
            
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  "owner_org": "76bec39b-e0d4-4f47-8eb8-0a7e4a6698f3",
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  "owner_org": "76bec39b-e0d4-4f47-8eb8-0a7e4a6698f3",
            
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  "private": false,
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  "private": false,
            
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  "relationships_as_object": [],
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  "relationships_as_object": [],
            
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  "relationships_as_subject": [],
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  "relationships_as_subject": [],
            
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  "release_date": "2023-06-05",
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  "release_date": "2023-06-05",
            
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  "resources": [],
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  "resources": [
            
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    {
            
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      "cache_last_updated": null,
            
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      "cache_url": null,
            
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      "created": "2024-02-01T19:00:39.410281",
            
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      "datastore_active": false,
            
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      "datastore_contains_all_records_of_source_file": false,
            
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      "description": null,
            
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      "format": "",
            
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      "hash": "",
            
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      "id": "7705fed5-7e88-4145-b6d7-54d191b8b786",
            
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      "last_modified": null,
            
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      "metadata_modified": "2024-02-01T19:00:39.395299",
            
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      "mimetype": null,
            
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      "mimetype_inner": null,
            
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      "name": "Arctic warming drives striking twenty-first century 
            
68
ecosystem shifts in Great Slave Lake (Subarctic Canada), North 
            
69
America\u2019s deepest lake",
            
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      "package_id": "90caea97-8705-497c-9215-ad4a198d9078",
            
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      "position": 0,
            
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      "resource_type": null,
            
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      "size": null,
            
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      "state": "active",
            
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      "url": 
            
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"https://royalsocietypublishing.org/doi/epdf/10.1098/rspb.2023.1252",
            
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      "url_type": null
            
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    }
            
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  ],
            
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  "state": "draft",
80
  "state": "draft",
            
54
  "summary": "Great Slave Lake (GSL), one of the world\u2019s largest 
81
  "summary": "Great Slave Lake (GSL), one of the world\u2019s largest 
            
55
and deepest lakes, has undergone an aquatic ecosystem transformation 
82
and deepest lakes, has undergone an aquatic ecosystem transformation 
            
56
in response to twenty-first-century accelerated Arctic warming that is 
83
in response to twenty-first-century accelerated Arctic warming that is 
            
57
unparalleled in at least the past two centuries. Algal remains from 
84
unparalleled in at least the past two centuries. Algal remains from 
            
58
four high-resolution palaeolimnological records retrieved from the 
85
four high-resolution palaeolimnological records retrieved from the 
            
59
West Basin provide baseline limnological data that we compared with 
86
West Basin provide baseline limnological data that we compared with 
            
60
historical phycological surveys undertaken on GSL between the 1940s 
87
historical phycological surveys undertaken on GSL between the 1940s 
            
61
and 1990s. We document the rapid restructuring of algal community 
88
and 1990s. We document the rapid restructuring of algal community 
            
62
composition ca 2000 CE that is consistent with recent increases in 
89
composition ca 2000 CE that is consistent with recent increases in 
            
63
regional air temperature and declines in ice cover and wind speed, 
90
regional air temperature and declines in ice cover and wind speed, 
            
64
that collectively altered habitats for aquatic biota. This new 
91
that collectively altered habitats for aquatic biota. This new 
            
65
limnological regime initiated the first observation of scaled 
92
limnological regime initiated the first observation of scaled 
            
66
chrysophytes and favoured the rapid proliferation of small planktonic 
93
chrysophytes and favoured the rapid proliferation of small planktonic 
            
67
cyclotelloid diatoms which replaced the long-established dominance of 
94
cyclotelloid diatoms which replaced the long-established dominance of 
            
68
large filamentous Aulacoseira islandica in West Basin sedimentary 
95
large filamentous Aulacoseira islandica in West Basin sedimentary 
            
69
records. Such abrupt transformations in the primary producers of this 
96
records. Such abrupt transformations in the primary producers of this 
            
70
socioecologically valuable \u2018northern Great Lake\u2019 may have 
97
socioecologically valuable \u2018northern Great Lake\u2019 may have 
            
71
widespread implications for the entire food web with unknown 
98
widespread implications for the entire food web with unknown 
            
72
consequences for aquatic ecosystem functioning and fisheries, which 
99
consequences for aquatic ecosystem functioning and fisheries, which 
            
73
First Nations, M\u00e9tis and other northern communities depend upon, 
100
First Nations, M\u00e9tis and other northern communities depend upon, 
            
74
pointing to the need for new studies.",
101
pointing to the need for new studies.",
            
75
  "tags": [
102
  "tags": [
            
76
    {
103
    {
            
77
      "display_name": "Algae",
104
      "display_name": "Algae",
            
78
      "id": "98659593-3f3f-44df-af6c-08f3a9fa746e",
105
      "id": "98659593-3f3f-44df-af6c-08f3a9fa746e",
            
79
      "name": "Algae",
106
      "name": "Algae",
            
80
      "state": "active",
107
      "state": "active",
            
81
      "vocabulary_id": null
108
      "vocabulary_id": null
            
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    },
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    },
            
83
    {
110
    {
            
84
      "display_name": "Diatoms",
111
      "display_name": "Diatoms",
            
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      "id": "d5d23619-88a8-4220-9d44-82bd0ea20938",
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      "id": "d5d23619-88a8-4220-9d44-82bd0ea20938",
            
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      "name": "Diatoms",
113
      "name": "Diatoms",
            
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      "state": "active",
114
      "state": "active",
            
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      "vocabulary_id": null
115
      "vocabulary_id": null
            
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    },
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    },
            
90
    {
117
    {
            
91
      "display_name": "Ecosystems",
118
      "display_name": "Ecosystems",
            
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      "id": "1a774eac-302e-4685-857e-0aad16e09ec9",
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      "id": "1a774eac-302e-4685-857e-0aad16e09ec9",
            
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      "name": "Ecosystems",
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      "name": "Ecosystems",
            
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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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    {
124
    {
            
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      "display_name": "Great Slave Lake",
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      "display_name": "Great Slave Lake",
            
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      "id": "abc7bfbc-a199-4083-a175-c7d55088b3df",
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      "id": "abc7bfbc-a199-4083-a175-c7d55088b3df",
            
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      "name": "Great Slave Lake",
127
      "name": "Great Slave Lake",
            
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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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    {
131
    {
            
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      "display_name": "Lakes",
132
      "display_name": "Lakes",
            
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      "id": "470fcfd8-00d3-4859-8cd8-b43af4e51589",
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      "id": "470fcfd8-00d3-4859-8cd8-b43af4e51589",
            
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      "name": "Lakes",
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      "name": "Lakes",
            
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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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    {
138
    {
            
112
      "display_name": "Limnology",
139
      "display_name": "Limnology",
            
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      "id": "96a03ddc-4ea7-47cd-abab-7ced438bdfa1",
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      "id": "96a03ddc-4ea7-47cd-abab-7ced438bdfa1",
            
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      "name": "Limnology",
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      "name": "Limnology",
            
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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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    },
            
118
    {
145
    {
            
119
      "display_name": "Paleolimnology",
146
      "display_name": "Paleolimnology",
            
120
      "id": "a44fc132-3aa0-4c0b-91fc-e4c8154d58fe",
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      "id": "a44fc132-3aa0-4c0b-91fc-e4c8154d58fe",
            
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      "name": "Paleolimnology",
148
      "name": "Paleolimnology",
            
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      "state": "active",
149
      "state": "active",
            
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      "vocabulary_id": null
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      "vocabulary_id": null
            
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    }
151
    }
            
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  ],
152
  ],
            
126
  "title": "Arctic warming drives striking twenty-first century 
153
  "title": "Arctic warming drives striking twenty-first century 
            
127
ecosystem shifts in Great Slave Lake (Subarctic Canada), North 
154
ecosystem shifts in Great Slave Lake (Subarctic Canada), North 
            
128
America\u2019s deepest lake",
155
America\u2019s deepest lake",
            
129
  "type": "dataset",
156
  "type": "dataset",
            
130
  "url": null,
157
  "url": null,
            
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  "version": null
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  "version": null
            
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}
159
}