The São Francisco Farm Arboretum celebrated in an upcoming book
The centenary São Francisco Farm arboretum, in Aveiro, will be celebrated in a new book to be published in 2023. And to get to know these magnificent trees, there is mapping and georeferencing work ongoing since the start of 2023, with the help of a drone and a LiDAR (Light Detection And Ranging) sensor.
Rare plant Rhaponticum exaltatum found in Penamacor
Rare and little known, Rhaponticum exaltatum, which was formerly known as Leuzea rhaponticoides, is a “Critically Endangered” plant species in Portugal. It was previously thought to be confined to a small area in Trás-os-Montes, but in 2022 it was discovered in the forests managed by the Navigator Company in Penamacor by a team from Floradata.
Theophrastus (372 BC to 287 BC), Greek philosopher and botanical pioneer, referred to the species as a “domestic pine”. The name has come through into Portuguese as “pinheiro-manso” (“tame pine”), while in English it is known as the stone pine (Pinus pinea). The history of its domestication and cultivation is so old that its exact region of origin is not known.
Pollen, wind, allergies and biodiversity: how are they related?
Sneezing, watery eyes, runny nose, headache… These are some of the most common allergic reactions to pollen. Despite the nuisance pollen causes, it is essential to biodiversity and without the thousands of particles that, especially in spring, are carried by the wind, the continued existence of a large number of flower species would be at risk.