What happens on dry land with a footpath or even a highway which traverses the shoulder of a deep hill?
Of that boundary line 1,700 miles are water, and the remaining 2,200 are dry land.
It can start off on dry land, go over muddy flats and then proceed over the water.
Data on acidification to dry land sites should be available next year.
Though it presents obvious technical difficulties not encountered on dry land, it offers the opportunities and challenge of the unknown.
The situation is no less unsavoury on dry land.
Of those found on dry land, 84% were located at sites that flood seasonally, while 14% of the total were encountered at forest sites that do not flood.
It was not always dry land where we dwell.