1 Table of Contents: “...1. Introduction: Randall W. Myster -- 2. Dynamics of Andean Treeline Ecotones: Between Cloud Forest...”

2 Table of Contents: “...1.Introduction -- Section I: Temperate forest-grassland ecotones: prairies, steppes, and pampas...”

3 “...Igapó forests are a common part of the Amazon whose ecosystems are critical to our shared human...”

4 Table of Contents: “.... Altitudinal Pattern of Soil Organic Carbon and Nutrients in a Tropical Forest in Puerto Rico. Dingfang Chen...”