2. Sustainable forest development must contribute, in particular, to(1) the preservation of biological diversity;
(2) the maintenance and improvement of the condition and productivity of forest ecosystems;
(3) the conservation of soil and water;
(4) the maintenance of forest ecosystem contributions to major ecological cycles;
(5) the maintenance of the many socio-economic benefits society derives from forests; and
(6) the consideration, in making development choices, of the values and needs expressed by the populations concerned.