Property rights based on characteristics of divisibility and excludability, political science homework help

Recall that land use policy may be divided into four categories of property rights based on characteristics of divisibility and excludability as visually represented here:

Private property rights fall into the category of private goods (high divisibility and high excludability). However, as we have seen, most of the public controls
placed on land use (like zoning and regualtions prohibiting/limiting
development) are meant to deal with environmental problems that fall
within the common pool resource category of property
rights (low excludability with high divisibility). For example,
government prohibitions on development along coastal areas to protect
against sea level rise brought on by climate change is one use of land
that might result in regulatory takings claims. Considering the
issue of land use regulation from this property rights characteristic
perspective, please answer the following question:

• How
  might we go about reconcilling the need to control private land rights
  in a way that might best avoid a substantial interference on those
  rights? For example, can we think about the different property rights
  characteristics described above and consider alternative
  ways of defining property rights in order to meet environmental
  objectives?  Please share your thoughts on this difficult question that
  crosses the boundaries of land use law and land use policy.