SLIDE 1
Manage me nt of E r
- sion
in the Gisbor ne Distr ic t
9 Ma y 2014
Gisbor ne Distr ic t
- We ll kno wn fo r its so il e ro sio n
- T
he distric t o c c upie s 8 % o f the No rth I sla nd
- Appro xima te ly 25 % o f the
Manage me nt of E r osion in the Gisbor ne Distr ic t 9 Ma y - - PowerPoint PPT Presentation
Manage me nt of E r osion in the Gisbor ne Distr ic t 9 Ma y - - PowerPoint PPT Presentation
Manage me nt of E r osion in the Gisbor ne Distr ic t 9 Ma y 2014 Gisbor ne Distr ic t We ll kno wn fo r its so il e ro sio n T he distric t o c c upie s 8 % o f the No rth I sla nd Appro xima te ly 25 % o f the No
SLIDE 2
SLIDE 3
What Cause s Our E r
- sion
Pr
- ble ms?
- So ft Ro c k Ge o lo g y
- Clima te
- Ve g e ta tio n Cle a ra nc e
- Co mb ina tio n o f the se fa c to rs
SLIDE 4
Ge ology
- Motu Block
- East Coast Allochthon
- Volcanics
- Neogene Cover
- Tephra
- Quaternary
SLIDE 5
Whakoau Str e am
SLIDE 6
Climate
- Hig h ra infa ll in pa rts o f the distric t
- Winte r a nd a utumn c o nc e ntra tio ns
– E a rthflo ws a fte r pro lo ng e d we t we a the r c o nditio ns
- T
ro pic a l Cyc lo ne s a nd I nte nsive E ve nts
– So il Slipping – De e p-se a te d Slumping
SLIDE 7
What is Be ing Done ?
- T
he Distric t Pla n ha s a rule re q uiring la ndo wne rs to e sta b lish “e ffe c tive
tr e e c o ve r ” o n “the wo r st e r
- ding
land”
- L
a nd Ove rla y 3A ha s b e e n ide ntifie d in the pla nning ma ps
- F
unding is a va ila b le thro ug h the E a st Co a st F
- re stry Pro je c t
SLIDE 8
SLIDE 9
SLIDE 10
T ype s of Soil E r
- sion
- Gullie s
- Slumps
- E
a rthflo ws
- Stre a mb a nk
- Slips
SLIDE 11
Gullying
SLIDE 12
Slips
SLIDE 13
Slump: Ae r ial Vie w
SLIDE 14
Slumping
SLIDE 15
Slumping
SLIDE 16
E ar thflow
SLIDE 17
E ar thflows
SLIDE 18
Str e am bank E r
- sion
SLIDE 19
What Can Be Done ?
- T
re e pla nting :
– Affo re sta tio n
- E
xo tic se e dling s
- I
ndig e no us spe c ie s
– Re ve rsio n – Po pla r a nd Willo w Pla nting – Co mb ina tio n o f T re a tme nts – Struc tura l suppo rt
SLIDE 20
F
- r
e str y & Re ve r sion
SLIDE 21
F
- r
e str y, F ar ming & Re ve r sion
SLIDE 22
Gully Planting and Re ve r sion
SLIDE 23
Re ve r sion, planting of indige nous spe c ie s
SLIDE 24
Re ve r sion & Untr e atable
SLIDE 25
Combination of Ve ge tation T ype s
SLIDE 26
Be e s
- Spe c ie s a sso c ia te d with
e ro sio n c o ntro l:
– Willo w – Ma nuka – Othe r indig e no us spe c ie s
SLIDE 27
Can Counc il Assist?
- Co nfirm a re a s o f L
O3A whic h re q uire pla nting
- Assist with funding a pplic a tio ns