Hydro-ecological relations in the Delta Waters

The best approach would sew to be to provide restricted but ta~geted
admission, for example by building hides and providing effecrfve
public infornation.
Compartmentaliaation has sharply increased the diversity of habitars.
As a result, the individual system$ are characterised by deferent
bird populatiow. 5-
syeteae are 6tiI1 in a state of transition.
Sandvich terns, fmr example. still breed in €he Greuelingemeer area,
whereas the type of bare ground required by these birds for nesting
purposes is increasingly disappearing fromthe region through natural
causes. Although the presence ol this specias ma7 be extremely important
to local nature conservationists, one mwst try and avoid making
desperate ef3orts tQ fry to keep certain species in areas which are
actually no longer suited to them. A more sens%ble approach would be
to try t6 reinforce the characteristics peculiar to each individual
system.