Get a list of Collections objects. Collections have a 1:1 mapping with Observations.

### Available end points:

- `/observationcollections/` - Will list all Collections in the database
- `/observationcollections.json` - Will return all Collections in json format
- `/observationcollections/<object_id>/` - Returns Collections object with that id

### Available Methods:

- `GET`
- `HEAD`

### Available filters:

- `uuid`
- `title`
- `keywords`
- `discoveryKeywords`
- `publicationState`

### How to use filters:

- `/observationcollections/?uuid=ab4ca8d019d148f78afba1cd20872bdd`

- `/observationcollections.json?publicationState=citable`

GET /api/v2/observationcollections/19563/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 19563,
    "uuid": "93fdb48b713b4dbc93a28d695771312d",
    "title": "NERC Project: Are tropical uplands regional hotspots for methane and nitrous oxide?: in-situ ground based atmospheric flux measurements and model output",
    "abstract": "'Are tropical uplands regional hotspots for methane and nitrous oxide?' was a NERC (Natural Environment Research Council) funded project from 2010-2015 with the following grant references NE/H007849/1, NE/H006753/1 and NE/H006583/2.\r\n\r\nThis dataset collection contains in-situ ground based soil-atmosphere flux and soil condition measurements from 4 different ecosystems located in the Peruvian Andes over ~2.5 years between 2010-2013. The ecosystems included upper montane forest (Wayqecha), lower montane forest (San Pedro), premontane forest (Villa Carmen) and grassland sites. \r\n\r\nAt present, data are only available for 3 ecosystems; Wayqecha, San Pedro and Villa Carman. However, the grassland dataset will follow shortly along with some model output.",
    "keywords": "methane, nitrous oxide, Andes, Peru, tropical ecosystems, rainforest, greenhouse gases",
    "discoveryKeywords": [
        1138,
        1142
    ],
    "publicationState": "published",
    "dataPublishedTime": "2016-07-12T09:50:21",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19564/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19607/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19608/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26600/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26608/?format=api"
    ],
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/8971/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/74403/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/105380/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/74238/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/74237/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/74235/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/105457/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/105432/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/74450/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/74236/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/74400/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/74401/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/74402/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/74234/?format=api"
    ]
}