Second, the amount of trade is increasing while nesting numbers of sea turtles have been decreasing over a number of years.
(the amount of trade; is increasing; T:while nesting numbers of sea turtles have been decreasing over a number of years) (nesting numbers of sea turtles; have been decreasing; over a number of years)
the amount of trade nesting numbers of sea turtles
is increasing have been decreasing
T:while nesting numbers of sea turtles have been decreasing over a number of years
over a number of years