Native plants and trees, Wetland seed mixes, and; Soil erosion control products. Built as an escape from everyday life, this off-grid cabin ... Mark your calendars and get your submissions ready because entries …. 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. 0000004105 00000 n Erosion control. This paper outlines what we know about the use of New Zealand's native plants for erosion and sediment control. 0000010113 00000 n It works in virtually any soil type including clay, rock and sand. Using Lomandra in bio-filtration systems has shown that they are effective filters of nutrients and particularly good at the removal of heavy metals in all seasons. Public Event, Auckland, Unispace survey explores client needs in workplaces of the future, Practice in Profile: Awaiting the chisel of the mind, Editorial: Chris Barton on post-COVID environmentalism. In other research, Lomandra performed better than shrubs and most other plants at absorbing cadmium, copper and lead, and was effective at absorbing zinc. Plants that produce their own self-sown seedlings are a godsend when revegetating a large site. 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 Cordyline australistree 17m++Erect tree with crown of narrow leaves tufted at the end of branches, white flowers in spring. Evergreen Baby Lomandra is not only drought tolerant, but very wet-feet tolerant, allowing it to be used in bio-retention swales. Nyalla is the best for coastal stabilisation. Requires some protection when young. Enter evergreen Lomandra – which has been shown in research to strengthen the soil 200% to 300%. Recent research shows how effective turf grass is for erosion control. Trees. endstream endobj 887 0 obj<>/Size 867/Type/XRef>>stream Plant erosion control trees such as hybrid willow species or poplars. 0000003309 00000 n Turf and Tanika Lomandra combine to make an effective swale, cleaning run off water efficiently. These plants can work together to help slow erosion. Other appropriate deciduous shrubs include: Saskatoon serviceberry, snowberry, oceanspray, Pacific ninebark and red-flowering currant. When it comes to plants, many of the native New Zealand species lack strong underground growth. 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; … In severe cases, retire land from grazing and change land use to plantation forestry or native forest. 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 xref KowhaiSophora tetraptera. If temporary erosion control is needed until these plants establish, an organic mesh is often used. Native reversion (replanting with native species) is also an effective treatment option for which funding is available. Our products are used in Conservation, Wetland Restoration, Water Quality Basins, and Natural Landscaping. The native plant -covered slopes also stayed drier in winter. Herbaceous and shrubby plants have shallower root systems while larger trees usually have spreading and deeper roots. LemonwoodPittosporum eugenoides. 0 Poplars and Willows as Fodder (pdf, 380 KB) Plant availability and assistance. Nafray® Pennisetum alopecuroides ‘PA300’ PBR As a general rule it is best to have low growing plants with fibrous root systems. 0000000751 00000 n 0000002825 00000 n 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. 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 … 0000001251 00000 n Evergreen Baby, a low-growing Lomandra, can cope with very wet feet, and is ideal for bio-retention swales. Revegetation efforts have focussed predominantly on the native plants pingao (a sedge), spinifex (a grass), and sand tussock, as well as the introduced marram grass (Douglas & Gainsford 2002; Unsworth et al. They were also far more expensive in comparison to turf. It presents a limited review of unpublished and published information. `� See more ideas about plants, erosion control, native plants. RibbonwoodPlagianthus regius. 80% of our trees, ferns and flowering plants are endemic (found only in New Zealand). A practical guide for landowners. Shade, shelter and erosion control are a few. 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. Rotorua: NZ Forest Research Institute. 0000003588 00000 n %%EOF 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; … Unless you’ve got plenty of dosh to spend on plants, it’s no quick fi x. Wild roses are also very good for erosion control. Van Kraayenoord, C. W. S., Slui, B., & Knowles, F. B. Runoff Control On soil erosion sites, runoff should be diverted to remove the cause of soil movement and further erosion. Different root structures can work together to help stabilise cliffs. Erosion Control - Soil series videos 0000001914 00000 n Plant Name: Extra Care Details: King Alfred® Dianella caerulea ‘JOHN316’ PBR: Is the best erosion control plant available, strengthening the soil by 752% (see research). Until now, New Zealand has not had a sterile Lomandra that can cope with wet feet, as well as dry. A trace of runoff from native plant covered slopes. … This effective heavy metal removal is an important reason for Lomandra to be used in large numbers on every roadside. Look for the kiwi – NZ’s iconic bird – it is used to mark native alternatives. Further, Carex and grasses have long periods of dormancy and poor nutrient soaking, while Lomandra grows all year making it a better choice. Conservation projects rely on the likes of manuka and coprosma and other free seeding natives. North of Auckland, Herbst Architects again produce a sophisticated response ... Take a look at our most popular houses of the …. Using indigenous plants enhances the aesthetic and ecological integrity of the vegetation, and results in long term protection when compared to that provided by many exotic species. For more aggressively eroding or erodible sites trees such as Radiata Pine, Eucalyptus, Manuka and Douglas fir are used. Compared to turf, silt fences and coir logs were shown to be ineffective in silt removal, sediment reduction and as an erosion control measure. Seeders. 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. 867 22 startxref Research presented at the erosion control conference in Florida, showed Tanika strengthened the soil up to 250% or 25.9 kPa, while Katrinus Deluxe strengthened the soil 366% or 39.6 kPa, and Nyalla 328% or 36.1 kPa. We have previously written a blog on planting native trees which you might find useful to reference in combination with … 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. Thank you for signing up to receive our newsletter! Plant breeder Todd Layt examines the efficacy of various plants and grasses for erosion control and gives practical advice on how best to incorporate the preferred species into any project. Tanika, Nyalla, and Katrinus Deluxe Lomandra are best for slopes. 0000006968 00000 n Although there are native solutions for drainage channels and bio-retention swales, many have problems. New England Wetland Plants, Inc is a WHOLESALE PLANT NURSERY in Amherst, Massachusetts offering a variety of:. 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. But, in many cases, that simply moves the issue of nutrients and heavy metals to somewhere else rather than fixing the problem. Copyright © 2020 AGM A Division of BCI New Zealand. Plants or turf combine well with 3D geotextile products to provide long-term erosion protection. Both can have their merits and limitations when it comes to erosion control. 0000002668 00000 n The team have prepared a 50m horizontal section with a combination of erosion control products and suitable plants, including the New Zealand ice plant, pig fern, bracken fern, cutty grass, Banks Peninsula fescue, and silver tussock. Growing a timber crop in association with farming has many benefits, not only financial. Live turf grass is an option which has shown in research to be far better at erosion control than seeded revegetation methods. Native grasses and Carex are better performers, although they still brown off in summer and are dormant for much of the year. Green life has proven to be a great erosion control tool in New Zealand, and also a contributor to better health for people and the environment. Low natives such as sedges and rushes will survive flooding on the lower banks and help reduce soil being washed away. 888 0 obj<>stream The increased use of native plants for erosion control has resulted from interest in the conservation of native vegetation and the habitats they form. View many of the NZ Native Species onsite, at different stages of growth in our own re-vegetation projects. 0000003826 00000 n 0000007443 00000 n Karamu Coprosma robusta. So if you are suffering from erosion on your land considering tree planting as a eco-friendly … Plant roots are important soil binders on coastal cliffs. Introduced forest trees in New Zealand: Recognition, role, and seed source - The willows, Salix spp. Generally primary colanisers are used in conjunction with specimen plants. 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). Tanika Lomandra is one of the best erosion control plants for slopes. This shows how important evergreen strappy leaf plants and bigger New Zealand native grasses are for surface erosion control. Green life can be the answer to most erosion control problems, so let’s embrace it. <]>> Harvesting of poplars is carried out during the months of May, June, July. Know what’s weedy pōhutukawaMetrosideros excelsalarge tree 25m++ ++Avoid planting on outer most edge of unstable banks. Call us today to set up a time to discuss your native plant … Clumping plants that put out new roots as they expand sideway scan help trap water and ensure more of it soaks into the soil. (1995) FRI Bulletin No.124, part 15. Porteous T 1993. 0000004182 00000 n Innovative methods, and a vast array of vegetative enhancements, make plants and turf grass highly efficient erosion control solutions. x���1 0ð40�m\bO"`�'M�-�j�~��~�ǯ'� �� � Lacebark Hoheria populnea. %PDF-1.4 %���� The genus Salixis mostly found in northern hemisphere temperate areas. The planting does not need to be boring. National Soil and Water Conservation Authority. Green life has been proven to improve people’s health from an emotional and physical aspect, keep our cities cooler, and reduce pollution. The sterile types from Australia are a good choice as they are totally safe. 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� Breeze Dianella fills in gaps, and has a very strong root system for erosion control. Flaxes and other native grasses can be ideal for this purpose; the strong root system holds the bank together, there is no risk of them blowing over due to their size. Use lighter stock classes or lower stocking rates to reduce pressure on steep land. Vetiver offers solutions to erosion due to flooding, slips and poor drainage. Carbon credits are also an incentive to plant timber crops. KohuhuPittosporum tenuifolium. "Erosion control, tree removal and plant management or restorative planting is something both councils can work on together to … Moderate tolerance to salt and wind. Sometimes hard concrete or gabions are needed. Action is underway around the country to protect and restore coastal dune plants. 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. 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