RECLAMATION/REVEGETATION/RESTORATION
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<ul><li>1. Restoration of degraded landscapes has become increasingly important for conservation of species and their habitats owing to habitat destruction and rapid environmental change. An increasing focus for restoration activity are old-fields as agricultural land abandonment has expanded in the developed world. Studies examining outcomes of ecological restoration predominantly focus on vegetation structure and plant diversity, and sometimes vertebrate fauna. Fewer studies have systematically investigated effects of restoration efforts on soil chemical and biophysical condition or ground-dwelling invertebrates and there is limited synthesis of these data. </li> <li>2. This dataset comprised data for a global meta-analysis of published studies to assess the effects on soil properties and invertebrates of restoring land that was previously used for agriculture. Studies were included if the site had been either cropped or grazed, restoration was either active (planting) or passive (abandonment, fencing) and if adequate data on soil chemical or physical properties or invertebrate assemblages were reported for restored, control (cropped/grazed) or reference sites.</li> <li>3. The dataset includes 42 studies, published between 1994 and 2019 that met the inclusion criteria, covering 16 countries across all continents. More studies assessed passive restoration approaches than active planting, and native species were more commonly planted than exotic species.</li></ul>
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<br>The aim of this project is to compile land use and management practices and their observed and measured impacts and effects on vegetation condition. The results provide land managers and researchers with a tool for reporting and monitoring spatial and temporal transformations of Australia’s native vegetated landscapes due to changes in land use and management practices. Following are the details about Belconnen Naval Transmitter Station in ACT, Australia. </br><br> Pre-European benchmark-analogue vegetation: the original vegetation for the site Belconnen Naval Transmitter Station was a temperate grassland in an ecological community dominated by native species of perennial tussock grasses. </br><br> Brief chronology of changes in land use and management:<ul style="list-style-type: disc;"> <li>Up to late 1820s the area was managed by indigenous Ngunnawal people</li> <li>1830s: Area first grazed by sheep and cattle with the aid of shepherds</li> <li>1860: Fences were established and continuous stocking commenced</li> <li>1900: Patches of woodland areas on higher ground were partly cleared</li> <li>1900-39: High likelihood of moderate to heavy grazing pressure due to sheep and cattle</li> <li>1940-1993: Area managed as a naval transmission station</li> <li>1940-92: Area managed for sheep grazing under continuous grazing</li> <li>1970: Secure people and kangaroo proof fence established</li> <li>1993: Sheep removed from the site</li> <li>1995: mowers used to manage the grass</li> <li>1997-2008: Kangaroo population increased to unacceptable levels</li> <li>2006: Naval transmission towers demolished, area continued to have a secure people proof fence</li> <li>2008: Kangaroo population culled to reduce grazing pressure</li> <li>2011: Site managed for nature conservation values.</li></ul></br>
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We established a common garden experiment within a 238 ha restoration site owned and managed by the South Australian Water Corporation (SA Water), near the township of Clarendon (-35.0882°S, 138.6236°E). We grew ca. 1500 seedlings sourced from one local and two non-local provenances of <i>Eucalyptus leucoxylon</i> to test whether local provenancing was appropriate. The three provenances spanned an aridity gradient, with the local provenance sourced from the most mesic area and the distant from the most arid. We explored the effect of provenance on four fitness proxies after 15 months, including survival, above-ground height, susceptibility to insect herbivory, and pathogen related stress.
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Knowledge on the spatial distribution and inter-specific association patterns in tree species is essential in plant ecology to understand ecological mechanisms and dynamic process operating in spatial distribution of a tree population in a plant community. We measured and compiled datasets on three tropical tree species from a moist semi deciduous forest. We used the software Programita to perform univariate and bivariate point pattern analysis by Ripley's L-function. These datasets can be used to inform on possibilities of interaction of these species in forest stands. These datasets can be also used to access the capacity of each tree of <i>Mansonia altissima</i> var. <i>altissima</i> A. Chev. to develop and grow or its exclusion probability within a plant community. <i>Mansonia altissima</i> A. Chev. is a plant species represented by only one-population in a moist semi-deciduous forest in Republic of Benin. Our project aims to understand its ecology for restoration and conservation purposes within its natural habitat as well as other habitats inside of its distribution range.
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We selected nine study sites, each incorporating three vegetation states: (a) fallow cropland, representing the restoration starting point, (b) planted old field (actively restored site), and (c) reference York gum (E. loxophleba) woodland. Plant species richness and cover All annual and perennial plant species were recorded in spring 2017 within each plot and identified to genus and species level where possible. Nomenclatures follow the Western Australian Herbarium (2017). A point intercept method previously demonstrated to provide objective and repeatable measures of cover (Godínez-Alvarez, Herrick, Mattocks, Toledo & Van Zee 2009; Prober, Standish & Wiehl 2011) was used to quantify cover of individual plant species, total vegetation cover and substrate types (i.e., bare ground, litter cover, plant cover). Ground cover, individual species, and canopy cover intercepting at every 2 m along four parallel, evenly spaced 50 m transects across each plot were recorded using a vertically placed dowel (8 mm wide, 2 m tall), resulting in 100 intercepting points per plot. For planted old fields, transects were placed parallel to planting rows, with two centred on rows and two centred between rows. This approximately represented the relative abundance of planted rows and non-planted inter-rows. If a species was recorded in the plot but did not intercept the dowel on any transect it was assigned 0.5 points. This method provided a measure of relative abundance (percentage cover) of plant species across the plot. To calculate species richness and cover across different life history and growth forms, species were classified into the following groups: total, native trees, native shrubs, native non – planted shrubs, native grasses, native perennial forbs, native annual forbs, exotic grasses and exotic annual forbs using the Western Australian Herbarium (2017) classification. Woody debris and leaf litter surveys Leaf-litter dry mass was estimated by collecting leaf-litter from five randomly placed 25 cm x 25 cm quadrats along two 50 m transects across each plot. Litter was stored in paper bags for transportation and then oven dried for 36 hours at 60 °C. The dried litter was weighed to 3 decimal points. Cover of fine and coarse woody debris and litter depth was estimated at every meter along two 20 m transects for each plot. Woody debris was classified by diameter. Length, max and min diameter was measured for all logs with a diameter greater than 10 cm.
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<br>The aim of this project is to compile land use and management practices and their observed and measured impacts and effects on vegetation condition. The results provide land managers and researchers with a tool for reporting and monitoring spatial and temporal transformations of Australia’s native vegetated landscapes due to changes in land use and management practices. Following are the details about the Cumberland State Forest, Old Abandoned Arboretum site, NSW, Australia. </br><br> Pre-European reference-analogue vegetation: The Cumberland State Forest is part of the Blue Gum High Forest (Daniel Connolly pers comm). It is a tall wet sclerophyll forest found on Wianamatta group Ashfield Shale. Blue Gum High Forest is dominated by Sydney blue gum (<em>Eucalyptus saligna</em>), blackbutt (<em>E. pilularis</em>), and turpentine (<em>Syncarpia glomulifera</em>) with a number of other eucalypts occurring patchily. A sparse open cover of small trees includes a variety of sclerophyllous and mesophyllous species. The ground layer is variable in composition and cover; including ferny, grassy or herbaceous and/or vines and climbers. The characteristics of the ground cover are related to the topgraphic position. </br><br> Brief chronology of changes in land use and management:<ul style="list-style-type: disc;"> <li>1788- Area managed by indigenous Darug people</li> <li>1788-1824: Region explored, un-modified native forest blue gum/ironbark on shale</li> <li>1825: Parcel selected by Mr Shepherd</li> <li>1860: Tree cover likely to have been thinned - selective logging for fences and housing</li> <li>1826-1907: Grazing stock on native pastures</li> <li>1908: Land parcel cleared and sown to improved pasture, and evidence of chicken farm and fruit orchards</li> <li>1909-1937: Managed as improved pasture and grazing</li> <li>1937-38: Purchased by NSW Forestry Commission</li> <li>1941-42: Remaining native forest trees cleared to establish an arboretum</li> <li>1943-45: Arboretum planted as a future urban working forest</li> <li>1946-73: Arboretum managed for education and demonstration - infilling regrowth native forest observed</li> <li>1974-84: Arboretum increasing managed for recreation - infilling regrowth native forest observed</li> <li>1985-2012: Area managed for recreation (ex-arboretum and regrowth native forest).</li></ul></br>
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<br>The aim of this project is to compile land use and management practices and their observed and measured impacts and effects on vegetation condition. The results provide land managers and researchers with a tool for reporting and monitoring spatial and temporal transformations of Australia’s native vegetated landscapes due to changes in land use and management practices. Following are the details about Big Scrub, Tintenbar site. </br><br> Pre-European benchmark-analogue vegetation: The site was originally lowland subtropical rainforest on basalt-derived and alluvial soils below 250 m asl and further than 2 km from the coast. </br><br> Brief chronology of changes in land use and management:<ul style="list-style-type: disc;"> <li>1788: Indigenous land management - Goori people</li> <li>1823-25: Explorers Oxley followed by Rous traversed the area</li> <li>1842: Cedar getters ‘moved in’</li> <li>1870: Portion or survey plan prepared for the Tintenbar property</li> <li>1880: Camphor was planted as a shade tree in Lismore 1880s along streets</li> <li>1885: Brush had been largely selected and slightly cleared</li> <li>1900: Clearing done with brush hooks. Small trees were cut down with an axe and large trees were cut down using a cross-cut saw. Brush and fallen timber was burnt</li> <li>1900: Basalt rock removed from paddocks and placed around borders as field stone fencing, Paddock cleared of floaters so it could be ploughed</li> <li>1901: Aggressive pasture grasses established. Initially this was <em>Paspalum</em></li> <li>1901-1978: Dairying and pasture improvement - mainly Kikuyu and fertiliser added</li> <li>1968: Observed incursions of camphor in creeks and gullies but not removed or controlled</li> <li>1979: Changed from dairying to beef cattle production</li> <li>1980-87: Cattle removed - destocked</li> <li>1981-87: Observed incursions of weeds into the former dairy pasture including lantana, barna or elephant (<em>Pennisetum purpureum</em>) grass and tobacco bush and some camphor but not removed or controlled</li> <li>1988: Commenced agisting cattle</li> <li>1990-93: Agisted horses and cattle</li> <li>1993: Ceased agisting cattle and horses</li> <li>1994-2011: Dense stands of camphor left unchecked.</li></ul></br>
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<br>The aim of this project is to compile land use and management practices and their observed and measured impacts and effects on vegetation condition. The results provide land managers and researchers with a tool for reporting and monitoring spatial and temporal transformations of Australia’s native vegetated landscapes due to changes in land use and management practices. Following are the details about Goorooyarroo Nature Reserve Site 2, ACT, Australia </br><br> Pre-European benchmark-analogue vegetation: The site was originally woodlands on the deeper soils of the lower slopes and flats (<em>Eucalyptus blakelyi</em> and <em>Eucalyptus melliodora</em>) (McIntrye et al 2010). </br><br> Brief chronology of changes in land use and management:<ul style="list-style-type: disc;"> <li>1819: Area managed by indigenous Ngunnawal people</li> <li>1826: Sheep grazing with shepherds commenced</li> <li>1860: Fences constructed - continuous stocking with sheep commenced</li> <li>1905: Area used for sheep grazing - continuous /set stocking</li> <li>1920: Fallen timber collected for firewood started</li> <li>1961: Mature trees on the site were ring barked to promote pasture grasses</li> <li>1973: Dead and fallen trees felled for fire wood</li> <li>1979: Bushfire burns through the area</li> <li>1994: Mulligans Flat Nature Reserve established</li> <li>1995: Continuous stocking with sheep grazing ceased</li> <li>1995: Collection of firewood ceased</li> <li>1995: Pasture improvement ceased</li> <li>1996: Kangaroo population begins to rapidly increase</li> <li>2006: Roo proof fence completed</li> <li>2006: Commenced annual removal of pest species of plants and animals</li> <li>2010: Commenced annual Kangaroo cull.</li></ul></br>
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<br>The aim of this project is to compile land use and management practices and their observed and measured impacts and effects on vegetation condition. The results provide land managers and researchers with a tool for reporting and monitoring spatial and temporal transformations of Australia’s native vegetated landscapes due to changes in land use and management practices. Following are the details about Goorooyarroo Nature Reserve Site 3. </br><br> Pre-European benchmark-analogue vegetation: The site was originally woodlands on the deeper soils of the lower slopes and flats (<em>Eucalyptus blakelyi</em> and <em>Eucalyptus melliodora</em>) (McIntyre et al., 2010). </br><br> Brief chronology of changes in land use and management:<ul style="list-style-type: disc;"> <li>1819: Area managed by indigenous Ngunnawal people</li> <li>1826: Sheep grazing with shepherds commenced</li> <li>1860: Fences constructed - continuous stocking with sheep commenced in large paddocks</li> <li>1920-1925: Large old and dead trees felled for firewood for Canberra market</li> <li>1961: 50 acre paddock fenced as a future lambing paddock</li> <li>1962-1965: Remaining trees ringbarked, left to stand to dry out and sold as firewood</li> <li>1966-1978: Paddock converted to improved pasture. Repeated resown and fertilized</li> <li>1979-2004: Holding paddock for lambing ewes</li> <li>1994: Mulligans Flat Nature Reserve established</li> <li>2004: Continuous stocking with sheep grazing ceased</li> <li>2005: Kangaroo proof fence erected</li> <li>2008: Kangaroo population begins to rapidly increase</li> <li>2008: Commenced annual removal of pest species of plants and animals</li> <li>2009: Introduced large logs to the site from off the Reserve</li> <li>2010: Commenced annual kangaroo cull.</li></ul></br>
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<br>The aim of this project is to compile land use and management practices and their observed and measured impacts and effects on vegetation condition. The results provide land managers and researchers with a tool for reporting and monitoring spatial and temporal transformations of Australia’s native vegetated landscapes due to changes in land use and management practices. Following are the details about the Taroom Shire Potters Flat. </br><br> Pre-European benchmark-analogue vegetation: The site was originally brigalow <em>Acacia harpophylla</em>, mixed community associated with overstorey several species, including <em>Eucalyptus coolabah</em>, <em>E. cambageana</em>, <em>Casuarina cristata</em>, and a range of understorey species, grassy woodlands and open forests. </br><br> Brief chronology of changes in land use and management:<ul style="list-style-type: disc;"> <li>1860: Area used for sheep grazing by shepherds</li> <li>1870: Permanent fences established</li> <li>1875: Start of continuous or set stocking with sheep</li> <li>1880: Incursion of prickly pear started</li> <li>1904-1929: Continuous grazing with sheep</li> <li>1929-1932: Gradual increase in cattle numbers, decline in sheep</li> <li>1930-1935: Land clearance via ringbarking</li> <li>1932-1970: Almost continuous grazing with cattle - relatively low stock numbers</li> <li>1935: Prickly pear had been destroyed</li> <li>1940-1955: Re-clearing brigalow regrowth with axes and fallen timber burnt</li> <li>1956-1960: Brigalow regrowth left unchecked</li> <li>1960-1962: Brigalow regrowth pulled mechanically and burnt</li> <li>1962-1970: Regrowth commenced restabilising without treatment or control</li> <li>1970: Area/s designated as blocks to be left as shelter belts for cattle</li> <li>1970: Commenced managing areas surrounding the site regrowth (i.e. shelter belt) mechanically</li> <li>1971-2010: Areas surrounding the site regularly and intensively managed with ploughing, fertilising the pasture and cropping</li> <li>1971-2010: Site almost continually used as shelter belt for cattle - high use.</li></ul></br>
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