These changes will provide for a conservative harvest of eiders whose population is being influenced by increased hunting pressure, gull-predation of ducklings, disease, and competition for shellfish food resources.
(These changes; will provide; for a conservative harvest of eiders) (eiders; is being influenced; by increased hunting pressure, gull-predation of ducklings, disease, and competition for shellfish food resources)
These changes eiders
will provide is being influenced
for a conservative harvest of eiders
by increased hunting pressure, gull-predation of ducklings, disease, and competition for shellfish food resources