We hope that this booklet gives you some ideas on what you can do in your own backyard to help protect New Zealand’s precious environment. It was found, however, that in some circumstances turf alone would benefit greatly from the use of a combined strategy of silt fences along with turf installation. A practical guide for landowners. Copyright © 2020 AGM A Division of BCI New Zealand. These plants can work together to help slow erosion. 0000001914 00000 n Recent research shows how effective turf grass is for erosion control. MapouMyrsine australis. 0000001449 00000 n So if you are suffering from erosion on your land considering tree planting as a eco-friendly … Green life has been proven to improve people’s health from an emotional and physical aspect, keep our cities cooler, and reduce pollution. Compared to turf, silt fences and coir logs were shown to be ineffective in silt removal, sediment reduction and as an erosion control measure. H��W]o�6}7��p�y�e}���Sk�6�5X�Z�m����T����^Jvd��MbZ�_�{Hͮj-�,�����Jk�my��TV�0K+�;�%�B�0�����~���9�Qd���C�v��`�D��1f���b�@��ǎ� ��#>��m��:����=�z�؎���f@��=��¡���*�qa's��t����*"����zUKE,d���4��ط If temporary erosion control is needed until these plants establish, an organic mesh is often used. 0000003588 00000 n New Zealand has the land and Willows are characteristically associated with sites that are subject to some form of physical disturbance; for example, river flood plains, gravel outwash plains, glacial moraines and sites of human disturbance (Argus 1973). Both can have their merits and limitations when it comes to erosion control. Sometimes hard concrete or gabions are needed. This effective heavy metal removal is an important reason for Lomandra to be used in large numbers on every roadside. Extensive research has gone into looking at the best available plant options to help … endstream endobj 887 0 obj<>/Size 867/Type/XRef>>stream Use an appropriate runoff control such as a diversion bank, a cut-off drain or a detention dam (see Sustainable Options SC09/98 Runoff Management on Pastures, and SC10/98 Detention Dams). Herbaceous and shrubby plants have shallower root systems while larger trees usually have spreading and deeper roots. Plants that produce their own self-sown seedlings are a godsend when revegetating a large site. Jute is a very good temporary erosion control material, but only if you use the right type. Cordyline australistree 17m++Erect tree with crown of narrow leaves tufted at the end of branches, white flowers in spring. %%EOF Poplars and willows are faster growing, so they provide erosion control while the native plants are establishing. Plants or turf combine well with 3D geotextile products to provide long-term erosion protection. 0000004182 00000 n Nootka rose (Rosa Nutkana) Evergreen … 0000004061 00000 n Action is underway around the country to protect and restore coastal dune plants. KohuhuPittosporum tenuifolium. Good Water-Wise Plants for Erosion Control and Wildlife Australian Varieties: Grevellia: Many varieties; Phormium: New Zealand Flax; Westringia: Coast rosemary; Callistemon "Little John:" Dwarf bottlebrush; California Natives: Quercus chrysolepis: Canyon live oak; Aesculus californica: California buckeye; … 0000006348 00000 n See more ideas about plants, erosion control, native plants. As a general rule it is best to have low growing plants with fibrous root systems. 0000005836 00000 n Native plants and trees, Wetland seed mixes, and; Soil erosion control products. Erosion Control - Soil series videos Harvesting of poplars is carried out during the months of May, June, July. Seeders. The most common solution is to plant ground covers, but that’s a long-term and often expensive cover-up. Know what’s weedy trailer pōhutukawaMetrosideros excelsalarge tree 25m++ ++Avoid planting on outer most edge of unstable banks. Revisit this 2008 project where Antanas Procuta Architects (now PAUA ... – Innovative methods, and a vast array of vegetative enhancements, make plants and turf grass highly efficient erosion control solutions. Note – for ecological restoration, we recommend the use of cabbage trees, NZ flax, toetoe, kōhūhu (Pittosporum tenuifolium), karamū (Coprosma robusta) and lowland ribbonwood for erosion control, rather than exotic trees] Native forest restoration. This creates an environment that is hostile for long-term survival. In severe cases, retire land from grazing and change land use to plantation forestry or native forest. xref We have previously written a blog on planting native trees which you might find useful to reference in combination with … Porteous T 1993. 0000003345 00000 n Other highly effective erosion control plants include those with highly fibrous roots systems that bind the soil, such as native New Zealand grasses and Dianella. Native grasses and Carex are better performers, although they still brown off in summer and are dormant for much of the year. Breeze Dianella fills in gaps, and has a very strong root system for erosion control. (1995) FRI Bulletin No.124, part 15. 0000010113 00000 n �U�',: ��$em�ۮ�}�E3�%��B��V��.ҽŠlv+j�T�3A�*n%Z����k0]#�O�&d���`ɰƚ�Z�y�]e�o�l�=�o�Op�x��,�G,�(x� ԆU�l�}DES�qX��6t�l2�)�� �A؄n1̙f�w�����zP�p��F����&��=C���&g���7�xh����������I�M�����Q�lj����&3w��_���@_���S�c%���-AȚB7������JZ��1kѻ�0w��*�. This shows how important evergreen strappy leaf plants and bigger New Zealand native grasses are for surface erosion control. Built as an escape from everyday life, this off-grid cabin ... Mark your calendars and get your submissions ready because entries …. Clumping plants that put out new roots as they expand sideway scan help trap water and ensure more of it soaks into the soil. Live turf grass is an option which has shown in research to be far better at erosion control than seeded revegetation methods. Until now, New Zealand has not had a sterile Lomandra that can cope with wet feet, as well as dry. A tidy plant with purple and yellow flowers from September to March. 0000000016 00000 n Conservation projects rely on the likes of manuka and coprosma and other free seeding natives. About 10–15% of the total land area of New Zealand is covered with native flora, from tall kauri and kohekohe forests to rainforest dominated by rimu, beech, tawa, matai and rata; ferns and flax; dunelands with their spinifex and pingao; … Green life can be the answer to most erosion control problems, so let’s embrace it. Thick jute weed mats (with no holes) may be good at stopping weeds, but they are also good at preventing moisture from filtering into the soil below, and often become hydrophobic. Runoff Control On soil erosion sites, runoff should be diverted to remove the cause of soil movement and further erosion. endstream endobj 868 0 obj<>/Outlines 47 0 R/Metadata 103 0 R/PieceInfo<>>>/Pages 100 0 R/PageLayout/OneColumn/OCProperties<>/StructTreeRoot 105 0 R/Type/Catalog/LastModified(D:20060718111130)/PageLabels 98 0 R>> endobj 869 0 obj<>/PageElement<>>>/Name(HeaderFooter)/Type/OCG>> endobj 870 0 obj<>/Font<>/ProcSet[/PDF/Text]/Properties<>/ExtGState<>>>/Type/Page>> endobj 871 0 obj<> endobj 872 0 obj<> endobj 873 0 obj<> endobj 874 0 obj[/ICCBased 885 0 R] endobj 875 0 obj<> endobj 876 0 obj<> endobj 877 0 obj<> endobj 878 0 obj<> endobj 879 0 obj<> endobj 880 0 obj<>stream Turf and Tanika Lomandra combine to make an effective swale, cleaning run off water efficiently. It had been used for centuries in India, for decades around the world and with thousands of successful plantings over the last 15 years in New Zealand. National Soil and Water Conservation Authority. X��V�'ϋ`I���Գ* �;u}��kL�9�9�]�&=�̂q�y�l�z�$�B€���혴Ӝ��u����[����+0Q��vj��,̓�k���b[w[Q�G����^h�Ik�dҦ�*���ޘ_�A�%t5,�0z���[,�3����r�ıc�s؍B�וֹ�qx�4�.G�;������ѥm����k1�MѮ����N����fV���\�x�۞K��u>�$2^C���Ȉ��(7����o� native timber, exotic hardwoods or softwoods such as Pinus radiata are required to fill the gap. Evergreen Baby, a low-growing Lomandra, can cope with very wet feet, and is ideal for bio-retention swales. `� 0000002825 00000 n Look for the kiwi – NZ’s iconic bird – it is used to mark native alternatives. "Erosion control, tree removal and plant management or restorative planting is something both councils can work on together to … They were also far more expensive in comparison to turf. Nyalla is the best for coastal stabilisation. So be sure to use jute mesh that lets water through easily. You will shortly receive an email asking you to confirm your subscription. Tanika Lomandra is one of the best erosion control plants for slopes. Lacebark Hoheria populnea. 80% of our trees, ferns and flowering plants are endemic (found only in New Zealand). The sterile types from Australia are a good choice as they are totally safe. Plant erosion control trees such as hybrid willow species or poplars. Carbon credits are also an incentive to plant timber crops. Trees. KowhaiSophora tetraptera. 0000001757 00000 n ���t��OV����iL�p�V-�>n�� 9�)����{����町���w̶�\{A���Th�xm��?J�W��^��h�i4�--�m��-�����8��-E~:$K��t�E����(f?r����#r��b��g<<4�pyX��s���z�~�Z�� �m.2�F�p� ����g�/gp)��G�Y�!���}������#o��a8�|��n���x �х(QU�4�{_p2�����-�Fq��v��a` G�S����JJP�����A�� ��� �7�?��:�����HRaß䔾�jd;��$��7��`NMY�fUEG4�*�'�n��?ʅ��r�����0��9�1�6��5+@�z�&�T 9�L��P*8E�ph�2 ��Ē� Mu�W�!�n 0000006968 00000 n Weedy or grass cover slopes get very wet very fast and either shed water or slide mud. Both Nootka rose and peafruit or wild swamp rose are excellent choices. Surface water controls may be required to divert water from critical areas. Wild roses are also very good for erosion control. Further, Carex and grasses have long periods of dormancy and poor nutrient soaking, while Lomandra grows all year making it a better choice. Vetiver offers solutions to erosion due to flooding, slips and poor drainage. For more aggressively eroding or erodible sites trees such as Radiata Pine, Eucalyptus, Manuka and Douglas fir are used. Use lighter stock classes or lower stocking rates to reduce pressure on steep land. Breeze Dianella fills in gaps, and has a very strong root system for erosion control. Plant roots are important soil binders on coastal cliffs. But, in many cases, that simply moves the issue of nutrients and heavy metals to somewhere else rather than fixing the problem. 2003). Breeze Dianella strengthened the soil 297% and Little Jess Dianella 181%. Rotorua: NZ Forest Research Institute. x�b```b``y�������A��b�, L .�X�Şϑ�v�}� {G �{�'l��9�_��b`hM��Кu�r�(͖�}ɷXVmiI�9dq���-Sh��2�cM��vN7U�%0��T�P�sa ��B+`����:� f����1'ܥ/�(��T;L���D��Vu�39W��2­h��rgǷC View Our Planting We have experience in wetland re-vegetation, lifestyle blocks, landscaping, food plants for native birds, erosion control, alpine planting and ferns. Case in point: Phormium has a weak root system, does not bend as well as other plants in high flow situations, and can be knocked over. 867 0 obj <> endobj In contrast, non-fibrous root system plants, such as shrubs and ground covers, rarely strengthened the soil by 50%. Although some research showed Carex and grasses can be better when actively growing and young, the study also found that, when mature, Carex was no better than Lomandra for removal of heavy metals and nutrients. The native plant -covered slopes also stayed drier in winter. A trace of runoff from native plant covered slopes. 0000004105 00000 n When it comes to plants, many of the native New Zealand species lack strong underground growth. Turning banks into attractive, manageable areas is often a tricky, slow process, and in many situations it pays to call in the cavalry right at the … In both Erosion Control magazine and our sister publication Stormwater, we’ve covered many different types of invasive species—plant and animal—and the ways people have attempted to get rid of them.In the early years of the 20 th century, for example, it briefly seemed like a good idea to release nutria (very large rodents) throughout the southeastern US to devour the non-native … Unless you’ve got plenty of dosh to spend on plants, it’s no quick fi x. NEW ZEALAND’S MOST KNOWLEDGEABLE EROSION MANAGEMENT SPECIALIST At Erosion Control we offer sound and practical advice on any re-vegetation or erosion protection project, whether it is a sub-division, roading project, stream restoration, mine site or golf course. Breeze Dianella strengthened the soil 297% and Little Jess Dianella 181%. … Introduced forest trees in New Zealand: Recognition, role, and seed source - The willows, Salix spp. 0000007196 00000 n It presents a limited review of unpublished and published information. 30-75% of all rainfall on grass- covered slopes ran off. It works in virtually any soil type including clay, rock and sand. RibbonwoodPlagianthus regius. North of Auckland, Herbst Architects again produce a sophisticated response ... Take a look at our most popular houses of the …. Marden, Rowan, Phillips (in press) Czernin (2002) Common name Botanical name. Erosion control. The increased use of native plants for erosion control has resulted from interest in the conservation of native vegetation and the habitats they form. WILLOWS. Once the poles are harvested they are stood in water for a minimum of 10 days to aid their establishment before being delivered to the planting site. Poplars and Willows as Fodder (pdf, 380 KB) Plant availability and assistance. Other appropriate deciduous shrubs include: Saskatoon serviceberry, snowberry, oceanspray, Pacific ninebark and red-flowering currant. Join over 20,000 of your peers and colleagues by signing up for our weekly digest and receive our best projects, news and trends straight to your inbox. 888 0 obj<>stream <]>> Native reversion (replanting with native species) is also an effective treatment option for which funding is available. May 9, 2020 - These plants are tolerate drought and help stabilize your slopes. Shade, shelter and erosion control are a few. Enter evergreen Lomandra – which has been shown in research to strengthen the soil 200% to 300%. Although there are native solutions for drainage channels and bio-retention swales, many have problems. Lead, in particular, was taken into the roots at a high rate and at a good rate into the leaves. 0000000751 00000 n 0000002227 00000 n Generally primary colanisers are used in conjunction with specimen plants. The genus Salixis mostly found in northern hemisphere temperate areas. Requires some protection when young. Tanika, Nyalla, and Katrinus Deluxe Lomandra are best for slopes. 0000003826 00000 n When choosing your plants options may be for exotics or natives. 867 22 Nafray® Pennisetum alopecuroides ‘PA300’ PBR Van Kraayenoord, C. W. S., Slui, B., & Knowles, F. B. startxref New England Wetland Plants, Inc is a WHOLESALE PLANT NURSERY in Amherst, Massachusetts offering a variety of:. 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