Get sites

The possible values of mode are minimal (default) and props. Example queries:

Get a list of sites: /ecology/api/v1/sites

Get a list of sites within 5km of a lat/long point: /ecology/api/v1/sites?lat=51.44553&long=-2.54344&distance_km=5

Get a list of sites within 5km of a lat/long point and include the biosys site information (such as altitude, slope etc): /ecology/api/v1/sites?lat=51.44553&long=-2.54344&distance_km=5&mode=props