According to the text, an unwritten but questionable rule of thumb for fieldworkers is

1.new zealand has a large temperate climate while for north has subtropical weather during summer.

i can only answer one

well, i can't read it so i'll ask you questions about it : )

if you were a reader and you read the introduction, would you want to read more?

does it start with a question? if so, is it something you would want to read about?

and ask any friends or family for their opinion : )