Autumn-early winter Six sites in each Annually VEFMAP may be appropriate Do implemented environmental Presence/absence of freshes/bankfull of Reach 4 and 5 for considering effects of flows trigger spawning of diadromous fish larvae flows environmental water, but it diadromous fish? (Only relevant may also be difficult to in river reaches inhabited by separate from other diadromous fish species such as influences, including recent galaxiids, eels and Australian flow history (i.e. antecedent grayling) conditions). Winter-spring As above As above As above Do implemented environmental See conceptual model baseflows flows increase overall quantity for Habitat Processes freshes and diversity of in stream Shallow and slow • habitat? water areas Run area • Permanent pool depth • and volume Inundation of physical • habitat features Inundation of higher • elevation physical habitat features In-channel and littoral • cover of macrophytes. Spring-early summer As above As above As above Do implemented environmental Area of slackwater bankfull flows flows inundate low-lying runners habitat in runners and and anabranches to create anabranches increased slackwater habitat? Do implemented environmental Density of post-larval flows increase the number of fish fish. completing larval stages? Spring-early summer As above As above As above Do implemented environmental Presence/absence of base flows flows provide appropriate flow and ‘low specialist’ conditions for spawning and generalist fish larvae larval production of flow ‘low and generalist fish specialist’
Autumn-early winter freshes/bankfull flows Do implemented environmental flows trigger spawning of diadromous fish? (Only relevant in river reaches inhabited by diadromous fish species such as galaxiids, eels and Australian grayling) Presence/absence of diadromous fish larvae Six sites in each of Reach 4 and 5 Annually VEFMAP may be appropriate for considering effects of environmental water, but it may also be difficult to separate from other influences, including recent flow history (i.e. antecedent conditions). Winter-spring baseflows freshes Do implemented environmental flows increase overall quantity and diversity of in stream habitat? See conceptual model for Habitat Processes • Shallow and slow water areas • Run area • Permanent pool depth and volume • Inundation of physical habitat features • Inundation of higher elevation physical habitat features • In-channel and littoral cover of macrophytes. As above As above As above Spring-early summer bankfull flows Do implemented environmental flows inundate low-lying runners and anabranches to create increased slackwater habitat? Do implemented environmental flows increase the number of fish completing larval stages? Area of slackwater habitat in runners and anabranches Density of post-larval fish. As above As above As above Spring-early summer base flows Do implemented environmental flows provide appropriate conditions for spawning and larval production of ‘low flow specialist’ and generalist fish Presence/absence of ‘low flow specialist’ and generalist fish larvae As above As above As above
ewater-delivery-lower-goulburn-river.docx