Groundwater dependent ecosystems(GDEs)are vulnerable to groundwater regime changes.However,their protection is often hampered by challenges in their identification.Within is presented a remote sensing-based GDE potent...Groundwater dependent ecosystems(GDEs)are vulnerable to groundwater regime changes.However,their protection is often hampered by challenges in their identification.Within is presented a remote sensing-based GDE potential mapping approach based on the persistency of relevant vegetation parameters during prolonged dry periods as an indicator of potential‘consistency’of water supply(e.g.groundwater).The study uses a novel approach to characterising persistency for selected vegetation parameters based on a normalised difference measure and an adaptation of the coefficient of variation statistic.Aggregation of parameters was facilitated through the analytic hierarchy process providing a structured weighting approach to minimise parameter bias.The approach is demonstrated in the semi-arid Flinders Ranges of South Australia where new groundwater resources are being sought to support local domestic and industry needs.Variations in GDE potential were mapped to better target areas where exploration of groundwater should be avoided.Mapping results indicated a high-level of agreement of 77%with an independent springs dataset,along with an 87%agreement with areas coinciding with known phreatophyte species and depths to groundwater.The index-based mapping approach has potential applicability across landscapes,as it normalises for variations in vegetation cover,minimises technical overheads,and employs continental-wide remote sensing data-products.展开更多
In the July issue of Nature Neuroscience,Lim et al.published their study on regeneration of target-specific retinal ganglion cell(RGC)axons by enhancing visual activity and intrinsic signaling pathways after optic ner...In the July issue of Nature Neuroscience,Lim et al.published their study on regeneration of target-specific retinal ganglion cell(RGC)axons by enhancing visual activity and intrinsic signaling pathways after optic nerve crush(ONC)injury(1,2).This study provides promising data to展开更多
Objective: To create an in-vitro model for raised intraocular pressure by exposing lamina cribrosa cells to cyclical mechanical stretch and examine the effect of this stimulus on gene expression patterns of components...Objective: To create an in-vitro model for raised intraocular pressure by exposing lamina cribrosa cells to cyclical mechanical stretch and examine the effect of this stimulus on gene expression patterns of components and modulators of the extracellular matrix (ECM) of the lamina cribrosa. Methods: Confluent normal primary human lamina cribrosa were transferred onto展开更多
文摘Groundwater dependent ecosystems(GDEs)are vulnerable to groundwater regime changes.However,their protection is often hampered by challenges in their identification.Within is presented a remote sensing-based GDE potential mapping approach based on the persistency of relevant vegetation parameters during prolonged dry periods as an indicator of potential‘consistency’of water supply(e.g.groundwater).The study uses a novel approach to characterising persistency for selected vegetation parameters based on a normalised difference measure and an adaptation of the coefficient of variation statistic.Aggregation of parameters was facilitated through the analytic hierarchy process providing a structured weighting approach to minimise parameter bias.The approach is demonstrated in the semi-arid Flinders Ranges of South Australia where new groundwater resources are being sought to support local domestic and industry needs.Variations in GDE potential were mapped to better target areas where exploration of groundwater should be avoided.Mapping results indicated a high-level of agreement of 77%with an independent springs dataset,along with an 87%agreement with areas coinciding with known phreatophyte species and depths to groundwater.The index-based mapping approach has potential applicability across landscapes,as it normalises for variations in vegetation cover,minimises technical overheads,and employs continental-wide remote sensing data-products.
基金funding support from the Bright Focus Foundation(CMM)
文摘In the July issue of Nature Neuroscience,Lim et al.published their study on regeneration of target-specific retinal ganglion cell(RGC)axons by enhancing visual activity and intrinsic signaling pathways after optic nerve crush(ONC)injury(1,2).This study provides promising data to
文摘Objective: To create an in-vitro model for raised intraocular pressure by exposing lamina cribrosa cells to cyclical mechanical stretch and examine the effect of this stimulus on gene expression patterns of components and modulators of the extracellular matrix (ECM) of the lamina cribrosa. Methods: Confluent normal primary human lamina cribrosa were transferred onto
