A Talk at the ISF | Independent Schools Foundation ( https://www.isf.edu.hk/) Download the slides: why_plant_biodiversity.pdf Why plant biodiversity is important and what we are doing in a herbarium? Here is the working flow: Collecting in the field: pay attention not to ...
Note this is the translation of http://blog.sciencenet.cn/blog-255662-756136.html This document describes how to compute the time of sunrise, sunset and transit for any place on earth using the skycalc package. If the longitude and latitude for a place are known, to compute the time of sun ...