ach
feature to ensure that all features can disperse throughout the areas
designated for their conservation."><meta property="og:description" content="Add constraints to a problem to ensure that each feature is
represented in a contiguous unit of dispersible habitat. These constraints
are a more advanced version of those implemented in the
add_contiguity_constraints() function, because they ensure that
each feature is represented in a contiguous unit and not that the entire
solution should form a contiguous