{"help": "https://data.gov.au/data/en/api/3/action/help_show?name=package_show", "success": true, "result": {"archived": false, "author_email": null, "contact_point": "markbrown@unsw.edu.au", "creator_user_id": "c2fbbe4a-4ba0-4945-808b-67454605a4cf", "duplicate_score": 2, "geospatial_topic": [], "id": "2bc5414f-fcfe-4bed-860e-770ad7b101b9", "isopen": false, "language": "eng", "license_id": "notspecified", "license_title": "notspecified", "maintainer": null, "maintainer_email": null, "metadata_created": "2025-06-23T14:32:41.609395", "metadata_modified": "2025-06-23T14:32:41.609403", "name": "2016-soe-marine-chapter-state-and-trends-marine-microbial-community-composition", "notes": "The Marine chapter of the 2016 State of the Environment (SoE) report incorporates multiple expert templates developed from streams of marine data. This metadata record describes the Expert Assessment \"The state and trends of marine microbial community composition\". The full Expert Assessment, including figures and tables (where provided), is attached to this record. Where available, the Data Stream(s) used to generate this Expert Assessment are accessible through the \"On-line Resources\" section of this record.\n\nDESCRIPTION OF ECOLOGICAL PROCESS FOR EXPERT ASSESSMENT\nThe microbial community composition is a sensitive indicator of ecosystem status and health. \nMarine waters typically contain 104-106 microbial (bacteria, archaea and unicellular algae) cells per milliliter, belonging to hundreds to thousands of different species. This highly diverse and abundant community has an intimate connection with its environment, the marine water. Marine microbial assemblages are the first responders to changes in the chemistry and physical properties of the surrounding water. At the same time, microbes also shape the marine environment by driving most of the biogeochemical cycles, supporting phytoplankton and primary productivity, contributing to the ocean carbon pump and the sequestration of carbon in recalcitrant forms, and removing a wide range of organics and pollutants. Photoautrophic microorganisms both form the base of the marine food-web and are responsible for ocean CO2 draw-down, while nitrogen fixing bacteria are often essential for fueling the food-web with bioavailable nitrogen.\nTo this end, marine microbial assemblages display systematic and predictable change over seasons, across temperature climates, with distance to shore, with depth in association with different water masses and in response to nutrient enrichment, eutrophication and pollution, and the traits of marine microorganisms accurately reflect their niche adaptation.\nMany of the most abundant clades of marine bacteria, including the Prochlorococcus, Synechococcus, Pelagibacter, Roseobacter and the SAR86 cluster of the gammaproteobacteria have a very broad, if not a cosmopolitan distribution. However this is not reflected in an underlying genetic identity. Rather, widespread distribution in these organisms is achieved by the existence of closely related but discrete ecotypes that display niche adaptations. Closely related ecotypes display specific nutritional or energy generating mechanisms and are adapted to different physical parameters including temperature, salinity, and hydrostatic pressure.\nThere is a global trend for rising incidence of disease in marine habitats. Within Australia there have recently been a number of significant disease outbreaks in organisms including corals, starfish, oysters and fin-fish. While pathogenic microbes constitute a very small minority of the marine microbial communities, their presence is of particular importance and interest.\nDATA STREAM(S) USED IN EXPERT ASSESSMENT\nThis assessment is based on peer-review papers and reports. Data on state and trends and associated spatial and temporal coverage are detailed in the publications provided in the reference list.\n\n2016 SOE ASSESSMENT SUMMARY [see attached Expert Assessment for full details]\n\u2022 2016 \u2022\nAssessment grade: Unclear\nAssessment trend: Unclear\nConfidence grade: Evidence and consensus too low to make an assessment\nConfidence trend: Evidence and consensus too low to make an assessment\nComparability: Grade and trend are not comparable to the 2011 assessment\n\u2022 2011 \u2022\nAssessment grade: Very good\nAssessment trend: Stable\nConfidence grade: Limited evidence or limited consensus\nConfidence trend: Limited evidence or limited consensus\n\nCHANGES SINCE 2011 SOE ASSESSMENT\nThe 2016 assessment is similar to the 2011 assessment. With very little information on marine microbial communities with which clear trends could be determined it was considered appropriate to alter the state assignment to \u2018unclear\u2019 rather than \u2018very good\u2019 and trend assignment to \u2018unclear\u2019 rather than \u2018stable\u2019 to avoid assumptions on the current state and recent trends.", "num_resources": 2, "num_tags": 3, "organization": {"id": "0143757a-86ab-43e4-bba6-4a3a2a02b6c4", "name": "australian-ocean-data-network", "title": "Australian Ocean Data Network", "type": "organization", "description": "Harvester for Australian Ocean Data Network", "image_url": "", "created": "2025-06-23T12:29:10.320926", "is_organization": true, "approval_status": "approved", "state": "active"}, "original_harvest_source": {"site_url": "https://catalogue.aodn.org.au", "href": "https://catalogue.aodn.org.au/geonetwork/srv/eng/csw/dataset/2016-soe-marine-chapter-state-and-trends-marine-microbial-community-composition", "title": "Australian Oceans Data Network"}, "owner_org": "0143757a-86ab-43e4-bba6-4a3a2a02b6c4", "private": false, "promotion_level": "0", "spatial": "{\"type\": \"Polygon\", \"coordinates\": [[[102.65625000000001, -47.4609375], [162.421875, -47.4609375], [162.421875, -7.207031249999999], [102.65625000000001, -7.207031249999999], [102.65625000000001, -47.4609375]]]}", "spatial_coverage": "{\"type\": \"Polygon\", \"coordinates\": [[[102.65625000000001, -47.4609375], [162.421875, -47.4609375], [162.421875, -7.207031249999999], [102.65625000000001, -7.207031249999999], [102.65625000000001, -47.4609375]]]}", "state": "active", "temporal_coverage_from": "2016-09-12 17:31:56", "title": "2016 SoE Marine Chapter - State and Trends - Marine microbial community composition", "type": "dataset", "unpublished": false, "url": null, "version": null, "extras": [{"key": "harvest_object_id", "value": "c13dd9e0-4487-4935-8f17-82b3df91278a"}, {"key": "harvest_source_id", "value": "a2216e59-91ec-48b1-83cc-d35d9f09fcec"}, {"key": "harvest_source_title", "value": "Australian Oceans Data Network"}], "resources": [{"cache_last_updated": null, "cache_url": null, "created": "2025-06-23T14:32:41.613233", "datastore_active": false, "datastore_contains_all_records_of_source_file": false, "description": "EXPERT ASSESSMENT - Marine Microbial Community Composition [direct download]", "format": "PDF", "hash": "", "id": "691aabe2-b0cc-4dcf-9231-81a6b0a2c2cf", "last_modified": null, "metadata_modified": "2025-06-23T14:32:41.598545", "mimetype": null, "mimetype_inner": null, "name": "State_and_trends_marine_microbiology_final.pdf", "package_id": "2bc5414f-fcfe-4bed-860e-770ad7b101b9", "position": 0, "resource_locator_function": "", "resource_locator_protocol": "WWW:DOWNLOAD-1.0-http--downloaddata", "resource_type": null, "size": null, "state": "active", "url": "https://catalogue.aodn.org.au:443/geonetwork/srv/api/records/d799e6c4-da7c-46f6-a074-f1caf840ca8f/attachments/State_and_trends_marine_microbiology_final.pdf", "url_type": null, "zip_extract": false}, {"cache_last_updated": null, "cache_url": null, "created": "2025-06-23T14:32:41.613299", "datastore_active": false, "datastore_contains_all_records_of_source_file": false, "description": "", "format": "HTML", "hash": "", "id": "ed60201d-c729-4c77-9e42-0195fd070fbf", "last_modified": null, "metadata_modified": "2025-06-23T14:32:41.599860", "mimetype": null, "mimetype_inner": null, "name": "State of the Environment (SoE) reporting webpage", "package_id": "2bc5414f-fcfe-4bed-860e-770ad7b101b9", "position": 1, "resource_locator_function": "", "resource_locator_protocol": "WWW:LINK-1.0-http--link", "resource_type": null, "size": null, "state": "active", "url": "https://www.environment.gov.au/science/soe", "url_type": null, "zip_extract": false}], "tags": [{"display_name": "community composition", "id": "beefc2b1-9430-4619-ba3c-f0ee6832ffbe", "name": "community composition", "state": "active", "vocabulary_id": null}, {"display_name": "expert assessment", "id": "011564e8-6fdb-43ba-9685-020ba3396f08", "name": "expert assessment", "state": "active", "vocabulary_id": null}, {"display_name": "marine microbiology", "id": "6183f837-8417-42c3-b3e5-796d320b6705", "name": "marine microbiology", "state": "active", "vocabulary_id": null}], "groups": [], "relationships_as_subject": [], "relationships_as_object": []}}