Literature review: Impact of Chilean needle grass ... - Weeds Australia

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CONTENTS Conventions and standards 5 Abbreviations 5 INTRODUCTION 6 THEORETICAL FRAMEWORK 8 Invasive potential of a species 8 Enemy release and biotic resistance 10 Resource-enrichment and fluctuating resources 11 Propagule pressure 13 Vacant niches and competitive exclusion 13 ‘Novel weapons’ 14 Allelopathy 14 Rapid evolution 15 Invasibility of grassland communities 16 Impact 18 Transformer species 18 Impact of N. neesiana 19 NASSELLA NEESIANA 20 Taxonomy and nomenclature 21 Stipeae 21 Synonyms 22 Vernacular names 23 Infraspecific Taxa 23 Misapplied names 24 Hybridisation etc. 24 Evolutionary origin 24 Morphology and anatomy 26 Phytoliths 31 Cytology 31 Genetic variation 32 Phenology, growth and productivity 33 Flowering and fruiting 34 Cleistogene production 35 Distribution 35 South America 35 Introduced range outside Australia 37 Australia 38 History of dispersal in Australia 39 Identification failures and lack of recognition 39 Origin 40 Victoria 41 New South Wales 43 Australian Capital Territory 44 South Australia 44 Queensland 44 Tasmania 45 Potential distribution in Australia 45 Habitat and climatic and biotic tolerances 46 Altitude 48 Climate 49 2
Fire 49 Other disturbances 50 Shade 51 Soils and nutrients 51 Landform 52 Water, drainage and flooding 52 Other plants 52 Herbivory 53 Physiology and biochemistry 55 Breeding system 56 Seed production 56 Dispersal mechanisms 57 Creeping diaspores 57 Zoochory 58 Cleistogene dispersal 59 Wind 60 Water 60 Human activities 60 Pollen 61 Rates of spread 62 Soil seed bank 62 Germination and seedling recruitment 63 Seed dormancy 63 Germination 64 Establishment of seedlings and juvenile plants 64 Demography, growth, persistence and dominance 65 Weed status 66 Noxious weed status 67 Undesirable characteristics 67 Control and management 68 Hand removal 69 Herbicides 69 Slashing and mowing 73 Fire 73 Cultivation and cropping 73 Grazing 73 Shade 74 Quarantine and restriction of dispersal 74 Integrated management in native vegetation 74 Biological control 75 Predators and pathogens 76 Predators 76 Pathogens 79 Other biotic relationships 80 BIODIVERSITY 81 Definitions 81 Quantification and indices 81 Impacts of weeds on biodiversity 82 General considerations 82 Impact on threatened species and communities 83 Approaches to impact assessment 84 Types of impact 84 Specific threats posed by weeds to biodiversity 84 3
Page 1: Literature review: Impact of Chilea
Page 5 and 6: Conventions and standards Botanical
Page 7 and 8: neesiana appears to be a habitat ge
Page 9 and 10: population densities of existing sp
Page 11 and 12: elated plants have similar defences
Page 13 and 14: For invasion to occur there must be
Page 15 and 16: As yet there appears to be no evide
Page 17 and 18: experimental manipulation of specie
Page 19 and 20: species tend to be those which tran
Page 21 and 22: Taxonomy and nomenclature Stipeae N
Page 23 and 24: Vernacular names ‘Needlegrass’
Page 25 and 26: to Bouchenak-Khelladi et al. 2009).
Page 27 and 28: 1 m (Walsh 1994), ca. 90 cm (Verloo
Page 29 and 30: Figure 2. Anatomy of the seed of N.
Page 31 and 32: are the seeds larger/smaller, longe
Page 33 and 34: also based on a misunderstanding of
Page 35 and 36: Table 2. Modified Feekes Scale for
Page 37 and 38: Argentina, in the provinces of Chac
Page 39 and 40: Figure 3. Recorded distribution of
Page 41 and 42: 1994). Only 3 of 186 exotic grasses
Page 43 and 44: According to Morfe et al. (2003) th
Page 45 and 46: populations have been found in the
Page 47 and 48: (Honaine et al. 2006). The flechill
Page 49 and 50: In Australia the altitudinal range
Page 51 and 52: Proximity to urban development appe
Page 53 and 54:
In the southern Brazilian campos of
Page 55 and 56:
arundinacea (Gardener et al. 2005).
Page 57 and 58:
al. 2008). Cues for masting may be
Page 59 and 60:
Approximately 200 alien grass speci
Page 61 and 62:
Dispersal of seed in contaminated s
Page 63 and 64:
In New Zealand, Hurrell et al. (199
Page 65 and 66:
No emergence was observed in undist
Page 67 and 68:
and high impact (“ability to caus
Page 69 and 70:
also noted that despite a wide rang
Page 71 and 72:
a small reduction in seedhead produ
Page 73 and 74:
Slashing and mowing Slashing can re
Page 75 and 76:
Themeda re-establishment McDougall
Page 77 and 78:
species (Lawton and Schroder 1977 p
Page 79 and 80:
y increased importance of ant grani
Page 81 and 82:
BIODIVERSITY “Biodiversity ... on
Page 83 and 84:
According to Woods (1997 p. 61) “
Page 85 and 86:
2004, Richardson and van Wilgen 200
Page 87 and 88:
negative depending on the particula
Page 89 and 90:
Competition with native plants Comp
Page 91 and 92:
asexual seed production, so local f
Page 93 and 94:
GRASSLANDS Grasses: “... the most
Page 95 and 96:
susceptible to N. neesiana invasion
Page 97 and 98:
Floristic composition, vegetation s
Page 99 and 100:
proportion of the flora then presen
Page 101 and 102:
tussock space (Stuwe and Parsons 19
Page 103 and 104:
Like vascular plant diversity, comm
Page 105 and 106:
Opinions differ on the nature and i
Page 107 and 108:
Species Common Name Family Aust ACT
Page 109 and 110:
in shifting the distribution, exten
Page 111 and 112:
of these systems is largely explain
Page 113 and 114:
pasture. The least understood trans
Page 115 and 116:
tend to benefit more from relaxed c
Page 117 and 118:
Bovids crop their food between the
Page 119 and 120:
are therefore less likely to distur
Page 121 and 122:
esult in a “short-term flush” o
Page 123 and 124:
Fire effects on weeds Moore (1993 p
Page 125 and 126:
Table 8. Typical nutrient levels in
Page 127 and 128:
grasses produced sigificantly more
Page 129 and 130:
Fossorial vertebrates are or were o
Page 131 and 132:
(Rosengren 1999). Approximately one
Page 133 and 134:
Table 12. Areal extent and conserva
Page 135 and 136:
Foreman (1997) investigated the eff
Page 137 and 138:
Willis (1964) considered that the f
Page 139 and 140:
Austrostipa-Enneapogon) from around
Page 141 and 142:
Woodlands and New England Grassy Wo
Page 143 and 144:
Thylogale billardierii), Peramelida
Page 145 and 146:
Its original habitat on the mainlan
Page 147 and 148:
Table 17. Endangered reptile specie
Page 149 and 150:
equirement, but unlike plants and v
Page 151 and 152:
e assigned the same biodiversity sc
Page 153 and 154:
Nematodes are mostly minute animals
Page 155 and 156:
found in all mainland states, O. co
Page 157 and 158:
Keyacris scurra, Melbourne (1993) o
Page 159 and 160:
was once widespread in south- easte
Page 161 and 162:
eing sluggish and wingless, and exi
Page 163 and 164:
estoration and, if Australia follow
Page 165 and 166:
close to the plant are able to bury
Page 167 and 168:
Species *Chirothrips mexicanus Craw
Page 169 and 170:
Table A2.1 (continued) Species Life
Page 171 and 172:
Table A2.1 (continued) Species *Het
Page 173 and 174:
Page 175 and 176:
Page 177 and 178:
Nematodes of grasses and grasslands
Page 179 and 180:
REFERENCES Aceñolaza, F.G. (2004)
Page 181 and 182:
Benson, D. and McDougall, L. (2005)
Page 183 and 184:
Chan, C.W. (1980) Natural grassland
Page 185 and 186:
DNRE (Department of Natural Resourc
Page 187 and 188:
Fuhrer, B. (1993) A Field Companion
Page 189 and 190:
Groves, R.H. and Whalley, R.D.B. (2
Page 191 and 192:
Iaconis, L. (2004) Chilean needle g
Page 193 and 194:
Levine, J.M., Adler, P.B. and Yelen
Page 195 and 196:
McDougall, K.L. (1987) Sites of Bot
Page 197 and 198:
Morfe, T.A., McLaren, D.A. and Weis
Page 199 and 200:
Perelman, S.B., León, R.J.C. and O
Page 201 and 202:
Saunders, D.A. (1999) Biodiversity
Page 203 and 204:
Thellung, A. (1912) La flore advent
Page 205 and 206:
Weiss, J. and McLaren, D. (2002) Vi
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Literature review: Impact of Chilean needle grass ... - Weeds Australia

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