Complex sentence: They are typically trees of the mountain slopes, close to the tree line, however they will grow at lower altitudes and they are being grown within the Brodick Country Park and North Ayrshire Council'Parks and Recreation' staff are growing specimens for conservation purposes.
Split into simpler sentences: They are typically trees of the mountain slopes, close to the tree line. Also, North Ayrshire Council'Parks and Recreation' staff are growing specimens for conservation purposes.