Vol 3 Native Plants. The increased use of native plants for erosion control has resulted from interest in the conservation of native vegetation and the habitats they form. 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. Lacebark Hoheria populnea. Surface water controls may be required to divert water from critical areas. 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. 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. A typical seed mix for northern regions may include Manuka, Kanuka, Karamu, Mapau, Mahoe, Maire, Kauri, Akipirau and Tarire depending on … 888 0 obj<>stream Breeze Dianella fills in gaps, and has a very strong root system for erosion control. 0000007443 00000 n 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 … Tanika, Nyalla, and Katrinus Deluxe Lomandra are best for slopes. 0000002668 00000 n native timber, exotic hardwoods or softwoods such as Pinus radiata are required to fill the gap. �U�',: ��$em�ۮ�}�E3�%��B��V��.ҽŠlv+j�T�3A�*n%Z����k0]#�O�&d���`ɰƚ�Z�y�]e�o�l�=�o�Op�x��,�G,�(x� ԆU�l�}DES�qX��6t�l2�)�� �A؄n1̙f�w�����zP�p��F����&��=C���&g���7�xh����������I�M�����Q�lj����&3w��_���@_���S�c%���-AȚB7������JZ��1kѻ�0w��*�. Different root structures can work together to help stabilise cliffs. 0000003588 00000 n 0000005836 00000 n Plants that produce their own self-sown seedlings are a godsend when revegetating a large site. X��V�'ϋ`I���Գ* �;u}��kL�9�9�]�&=�̂q�y�l�z�$�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>�$2^C���Ȉ��(7����o� pōhutukawaMetrosideros excelsalarge tree 25m++ ++Avoid planting on outer most edge of unstable banks. v@�a��� a�„BaB�P)��$�R��.P��$e2�x�� �%�̂��QP��p\ �2c�M -�r``�V2�2N������3p0h�1�a�`8�p�˫����yF�X�Ռ�����0d�c���[���)'��� ����p�J��8���((,�J���A���@4 � �b�� Van Kraayenoord, C. W. S., Slui, B., & Knowles, F. B. 0000004105 00000 n Requires some protection when young. Enter evergreen Lomandra – which has been shown in research to strengthen the soil 200% to 300%. Jute is a very good temporary erosion control material, but only if you use the right type. National Soil and Water Conservation Authority. 0000001757 00000 n Vetiver offers solutions to erosion due to flooding, slips and poor drainage. The most common solution is to plant ground covers, but that’s a long-term and often expensive cover-up. 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; … New England Wetland Plants, Inc is a WHOLESALE PLANT NURSERY in Amherst, Massachusetts offering a variety of:. A trace of runoff from native plant covered slopes. Plants or turf combine well with 3D geotextile products to provide long-term erosion protection. 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. Wild roses are also very good for erosion control. Live turf grass is an option which has shown in research to be far better at erosion control than seeded revegetation methods. Native plants and trees, Wetland seed mixes, and; Soil erosion control products. Karamu Coprosma robusta. For more aggressively eroding or erodible sites trees such as Radiata Pine, Eucalyptus, Manuka and Douglas fir are used. 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. Erosion Control - Soil series videos 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. MapouMyrsine australis. 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. This paper outlines what we know about the use of New Zealand's native plants for erosion and sediment control. 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. Unless you’ve got plenty of dosh to spend on plants, it’s no quick fi x. Low natives such as sedges and rushes will survive flooding on the lower banks and help reduce soil being washed away. But, in many cases, that simply moves the issue of nutrients and heavy metals to somewhere else rather than fixing the problem. This shows how important evergreen strappy leaf plants and bigger New Zealand native grasses are for surface erosion control. Thank you for signing up to receive our newsletter! Breeze Dianella strengthened the soil 297% and Little Jess Dianella 181%. It presents a limited review of unpublished and published information. Nafray® Pennisetum alopecuroides ‘PA300’ PBR LemonwoodPittosporum eugenoides. Carbon credits are also an incentive to plant timber crops. View Our Planting We have experience in wetland re-vegetation, lifestyle blocks, landscaping, food plants for native birds, erosion control, alpine planting and ferns. Plant erosion control trees such as hybrid willow species or poplars. They were also far more expensive in comparison to turf. Trees. Marden, Rowan, Phillips (in press) Czernin (2002) Common name Botanical name. 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. KohuhuPittosporum tenuifolium. Generally primary colanisers are used in conjunction with specimen plants. %PDF-1.4 %���� Native grasses and Carex are better performers, although they still brown off in summer and are dormant for much of the year. Recent research shows how effective turf grass is for erosion control. Copyright © 2020 AGM A Division of BCI New Zealand. Action is underway around the country to protect and restore coastal dune plants. Turf and Tanika Lomandra combine to make an effective swale, cleaning run off water efficiently. Innovative methods, and a vast array of vegetative enhancements, make plants and turf grass highly efficient erosion control solutions. In other research, Lomandra performed better than shrubs and most other plants at absorbing cadmium, copper and lead, and was effective at absorbing zinc. Harvesting of poplars is carried out during the months of May, June, July. Nootka rose (Rosa Nutkana) Evergreen … A practical guide for landowners. In contrast, non-fibrous root system plants, such as shrubs and ground covers, rarely strengthened the soil by 50%. Green life can be the answer to most erosion control problems, so let’s embrace it. 0000002825 00000 n … 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. Moderate tolerance to salt and wind. Herbaceous and shrubby plants have shallower root systems while larger trees usually have spreading and deeper roots. 30-75% of all rainfall on grass- covered slopes ran off. Call us today to set up a time to discuss your native plant … 0000002227 00000 n xref 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 … Compared to turf, silt fences and coir logs were shown to be ineffective in silt removal, sediment reduction and as an erosion control measure. See more ideas about plants, erosion control, native plants. Until now, New Zealand has not had a sterile Lomandra that can cope with wet feet, as well as dry. Evergreen Baby, a low-growing Lomandra, can cope with very wet feet, and is ideal for bio-retention swales. 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). 0000001449 00000 n View many of the NZ Native Species onsite, at different stages of growth in our own re-vegetation projects. New Zealand has the land and We have previously written a blog on planting native trees which you might find useful to reference in combination with … As a general rule it is best to have low growing plants with fibrous root systems. 0000003826 00000 n 0000006348 00000 n The sterile types from Australia are a good choice as they are totally safe. Poplars and Willows as Fodder (pdf, 380 KB) Plant availability and assistance. Tanika Lomandra is one of the best erosion control plants for slopes. Growing a timber crop in association with farming has many benefits, not only financial. Evergreen Baby Lomandra is not only drought tolerant, but very wet-feet tolerant, allowing it to be used in bio-retention swales. 0000003345 00000 n 867 22 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. This effective heavy metal removal is an important reason for Lomandra to be used in large numbers on every roadside. It works in virtually any soil type including clay, rock and sand. Breeze Dianella strengthened the soil 297% and Little Jess Dianella 181%. WILLOWS. 0000004061 00000 n Other appropriate deciduous shrubs include: Saskatoon serviceberry, snowberry, oceanspray, Pacific ninebark and red-flowering currant. %%EOF Phormium, for example, was shown in research to only strengthen the soil 25%. Nyalla is the best for coastal stabilisation. (1995) FRI Bulletin No.124, part 15. Porteous T 1993. x���1 0ð40�m\bO"`�'M�-�j�~��~�ǯ'� �� � This creates an environment that is hostile for long-term survival. RibbonwoodPlagianthus regius. 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. 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