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4 results for “Parvulastra parvivipara”
Figure 1d from: Liversage K, Byrne M (2018) A note on life-history traits and conservation concerns for viviparous Australian seastars (Parvulastra parvivipara and P. vivipara). Research Ideas and Outcomes 4: e29766. https://doi.org/10.3897/rio.4.e29766
Figure 1d Photographs from P. parvivipara and P. vivipara habitat, and graph of P. vivipara population trends. - Trends from the largest P. vivipara population at Pitt Water. Each point is the mean of adult densities from numerous sampling events over each 2 year period. During 1976-83 a fixed 1 m2 quadrat was sampled (Prestedge 1998) while a different method was used from 2001-04 involving 25 m transects being sampled across the site (Ecomarine 2014). Other survey types (timed-search) have also found large population declines (see section 2.).
Figure 1b from: Liversage K, Byrne M (2018) A note on life-history traits and conservation concerns for viviparous Australian seastars (Parvulastra parvivipara and P. vivipara). Research Ideas and Outcomes 4: e29766. https://doi.org/10.3897/rio.4.e29766
Figure 1b Photographs from P. parvivipara and P. vivipara habitat, and graph of P. vivipara population trends. - Photograph of a boulder underside in P. parvivipara habitat with extensive encrustation of oyster shells that includes invasive Pacific oysters (bar = 5 cm).
Figure 1a from: Liversage K, Byrne M (2018) A note on life-history traits and conservation concerns for viviparous Australian seastars (Parvulastra parvivipara and P. vivipara). Research Ideas and Outcomes 4: e29766. https://doi.org/10.3897/rio.4.e29766
Figure 1a Photographs from P. parvivipara and P. vivipara habitat, and graph of P. vivipara population trends. - Photograph taken during surveys of Liversage (2015) showing P. parvivipara giving birth, with the bright orange juvenile emerging from parent's dorsal side (bar = 1 cm).
Figure 1c from: Liversage K, Byrne M (2018) A note on life-history traits and conservation concerns for viviparous Australian seastars (Parvulastra parvivipara and P. vivipara). Research Ideas and Outcomes 4: e29766. https://doi.org/10.3897/rio.4.e29766
Figure 1c Photographs from P. parvivipara and P. vivipara habitat, and graph of P. vivipara population trends. - Photograph of P. vivipara during 1992 at Pit Water. Populations have become reduced in subsequent years which may be associated with increased siltation and overgrowth from encrusting species (bar = 5 cm).
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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OpenNeuro
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