Andrew Allott Solutions for Chapter: Communities, Exercise 4: Summative assessment

Draw a food web that includes scallops and as many other organisms as well.

The graph shows the quantity of Scallops ( Pecten novaezelandiae ) collected from the Southern Scallop Fishery each year from $1959$ onwards. The fishery was closed in $1981-2001.$ Suggest reasons for the small harvest of scallops in the $1960$s.

The graph shows the quantity of Scallops ( Pecten novaezelandiae ) collected from the Southern Scallop Fishery each year from $1959$ onwards. The fishery was closed in $1981-2001.$ Suggest reasons for the huge increase during the first half of the $1970$s.

The graph shows the quantity of Scallops ( Pecten novaezelandiae ) collected from the Southern Scallop Fishery each year from $1959$ onwards. The fishery was closed in $1981-2001.$ Suggest reasons for the decrease in the second half of the $1970$s.

The graph shows the quantity of Scallops ( Pecten novaezelandiae ) collected from the Southern Scallop Fishery each year from $1959$ onwards. The fishery was closed in $1981-2001.$ Suggest reasons for the recovery in $1980$s and the high levels of harvesting in the $1990$s.

The graph shows the quantity of Scallops ( Pecten novaezelandiae ) collected from the Southern Scallop Fishery each year from $1959$ onwards. The fishery was closed in $1981-2001.$ Suggest reasons for the decrease in harvest after $2001.$

Discuss how science can help with attempts to restore the Southern Scallop Fishery and protect it for the future.

Fishery workers in Tasman Bay, Golden Bay and other parts of the Southern Scallop fishery are keen to restart dredging for scallops. Write an article for them to read. Explain the importance of balancing the needs of current communities with those of future communities.