Tussock Grasslands Of New Zealand
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Tussock grassland Tussock grassland is a form of open grassland that is dominated by tussock grasses (also called bunchgrasses). It is common in some temperate grasslands, savannas, and shrublands ecoregions of the Southern Hemisphere. Tussock grasslands are usually ...
s form expansive and distinctive landscapes in the
South Island The South Island, also officially named , is the larger of the two major islands of New Zealand in surface area, the other being the smaller but more populous North Island. It is bordered to the north by Cook Strait, to the west by the Tasman ...
and, to a lesser extent, in the Central Plateau region of the
North Island The North Island, also officially named Te Ika-a-Māui, is one of the two main islands of New Zealand, separated from the larger but much less populous South Island by the Cook Strait. The island's area is , making it the world's 14th-largest ...
of
New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ...
. Most of the plants referred to as tussocks are in the genera '' Chionochloa'', ''
Festuca ''Festuca'' (fescue) is a genus of flowering plants belonging to the grass family Poaceae (subfamily Pooideae). They are evergreen or herbaceous perennial tufted grasses with a height range of and a cosmopolitan distribution, occurring on every ...
'', and '' Poa'', also ''
Carex ''Carex'' is a vast genus of more than 2,000 species of grass-like plants in the family Cyperaceae, commonly known as sedges (or seg, in older books). Other members of the family Cyperaceae are also called sedges, however those of genus ''Carex'' ...
''. What would be termed "
herbfield Herbfields are plant communities dominated by herbaceous plants, especially forbs and grasses. They are found where climatic conditions do not allow large woody plants to grow, such as in subantarctic and alpine tundra environments. Herbfield is ...
s" for European mountains, and bunchgrass meadows in North America, are referred to as tussock herbfields in New Zealand due to a dominance of this type of plant. Species of the genus ''Chionochloa'' dominate in these areas. The larger tussocks are called snow grass (or less commonly snow tussocks) and may grow up to in height. They grow slowly and some specimens are estimated to be several centuries old.


See also

* Canterbury–Otago tussock grasslands * Southland montane grasslands *
Environment of New Zealand The environment of New Zealand is characterised by an endemic flora and fauna which has evolved in near isolation from the rest of the world. The main islands of New Zealand span two biomes, temperate and subtropical, complicated by large mount ...


References


External links


Grasslands
''Te Ara – the Encyclopedia of New Zealand''
NZ Grass Key – key to the grasses of New Zealand
— ''Allan Herbarium, Christchurch, New Zealand''. Ecoregions of New Zealand Temperate grasslands, savannas, and shrublands * Vegetation of New Zealand Bunchgrasses of Australasia {{NewZealand-geo-stub