British Wildlife is the leading natural history magazine in the UK, providing essential reading for both enthusiast and professional naturalists and wildlife conservationists. Published eight times a year, British Wildlife bridges the gap between popular writing and scientific literature through a combination of long-form articles, regular columns and reports, book reviews and letters.
Conservation Land Management (CLM) is a quarterly magazine that is widely regarded as essential reading for all who are involved in land management for nature conservation, across the British Isles. CLM includes long-form articles, events listings, publication reviews, new product information and updates, reports of conferences and letters.
The HEC-R Relascope is an invaluable tool for the forest researcher or woodland ecologist. It will measure tree heights, count number of stems and also calculate the basal area of trees. Using one dominant tree height it will then calculate timber volume/ha.
This relascope has very low battery consumption and is lightweight, rugged and reliable. Measurements are in metres and degrees.
* Size: 20 x 65 x 44mm (0.8 x 2.5 x 1.7 inch)
* Weight: 50g (1.8oz)
* Battery: 1 x 1.5 AA alkaline
* Temperature: Min -15° Max 45°C / Min 5° Max 113°F
* Height: 0 - 999m/ft
* Height Resolution 0.1m/ft < 100m/ft or 1m/ft > 100m/ft
* Angles: -55° to 85°
* Angle Resolution: 0.1°
* Angle Accuracy: +/- 0.2°
* Relascope functions: 0.5, 1, 2, 4 m2/ha