g., due to global warming). For Europe and, probably, North Africa a Palaearctic key is advisable. Rarity is not a viable character. An identification may be correct even though a species is very rare ...
A branching identification key within taxonomy (the practice and science of categorization or classification), is a presentation form of a single-access key where the structure of the decision tree is ...
Here is your 2024 hard rock + metal album release calendar. With so many new metal and hard rock albums being released each week, it can be difficult to keep up. We’re making things a lot easier ...
Mining news and in-depth feature articles on the latest mining company deals and projects covering trends in mineral exploration with up to date data on the most mined metal and mineral commodities ...