http://sigma.madrid.es/arcgismalla/rest/services/MTMOV/MPUAUA/MapServer/0/query?f=geojson&where=&returnGeometry=true&spatialRel=esriSpatialRelIntersects&geometry={%22xmin%22%3A401308.89911408804%2C%22ymin%22%3A4078962.633037318%2C%22xmax%22%3A471319.45374262496%2C%22ymax%22%3A4778973.187665854}&geometryType=esriGeometryEnvelope&outFields=*

Data

Projection used by the api is EPSG:2583025830

Convert betwenn lat/long and this projection with here: https://epsg.io/transform#s_srs=4326&t_srs=25830

Retreive a 1000 trees within the bounding http://sigma.madrid.es/arcgismalla/rest/services/MTMOV/MPUAUA/MapServer/0/query?f=geojson&where=&returnGeometry=true&spatialRel=esriSpatialRelIntersects&geometry={%22xmin%22%3A440315.95%2C%22ymin%22%3A4473156.10%2C%22xmax%22%3A441571.52%2C%22ymax%22%3A4474261.62}&geometryType=esriGeometryEnvelope&outFields=*

Ordered, with offset, to retreive more than a 1000 trees: http://sigma.madrid.es/arcgismalla/rest/services/MTMOV/MPUAUA/MapServer/0/query?f=geojson&where=&returnGeometry=true&spatialRel=esriSpatialRelIntersects&geometry={%22xmin%22%3A440315.95%2C%22ymin%22%3A4473156.10%2C%22xmax%22%3A441571.52%2C%22ymax%22%3A4474261.62}&geometryType=esriGeometryEnvelope&outFields=*&orderByFields=OBJECTID&resultOffset=0 increment the resultOffset each time with a 1000

general information on the map server: http://sigma.madrid.es/arcgismalla/rest/services/MTMOV/MPUAUA/MapServer

API Reference: https://sigma.madrid.es/arcgismalla/sdk/rest/index.html#/Query_Feature_Service_Layer/02ss0000002r000000/