Based on the TL away from half a dozen girls (directory of female TL: 104
In each clutch, three step 1 cm 2 replicates was sampled because of the divers so you’re able to calculate eggs occurrence, which had been up coming multiplied from the overall an element of the clutch, determined by ?r dos while the clutches fundamentally was in fact round (adopting the Robertson et al. ). 4–158.0 mm) and you can quantity of eggs about particular egg groups (fecundity range: – eggs), fecundity are extrapolated for everyone mature ladies designs from the inhabitants utilising the picture fecundity = ? + 5.9333007 TL (r dos = 0.96; digital additional procedure). Requested opinions of indicate size of lady promoting SRs situated towards the level of eggs it probably contribute was indeed calculated at the each of the half dozen internet sites within the investigation (profile step one). This was accomplished by weighting the dimensions of everyone from the the estimated fecundity (determined with the equation provided earlier). The brand new adjusted suggest out of SR girls (we.e. the total affairs of the sized for every single SR people increased of the the projected fecundity separated by the sum of the fresh new questioned fecundity opinions) was compared with brand new weighted mean for everybody female at this website (individuals who produced SRs and people who did not) using a matched up t-try. A significant difference contained in this research carry out signify new frequency out of care about-employment among kids out of big people exceeds carry out be expected considering average fecundity by yourself. Most of the statistical analyses was basically run in SAS v. nine.
3. Efficiency
A total of 378 specimens are tested, spanning 118 girls, 159 men and you can 101 recruits (desk dos). Anemonefish was basically patchily made available to the newest isle when you look at the lowest people densities (32 web sites; sectors during the figure 1). Anemones harbouring fish were discover ranging from 0.5 m and you can 31 m depth, and that suits the latest depth list of the brand new tangerine-fin anemonefish, into majority out-of seafood taking place at the deepness from quicker than 15 yards. Nests from Amphiprion chrysopterus have been observed throughout the year. According to the rates of the overall inhabitants dimensions for the whole area regarding under water artwork counts, which we guess to take the order off five-hundred anybody, we sampled as much as 75 % of one’s population of An effective. chrysopterus contained in this research.
To assess the importance of maternal fecundity so you can care about-employment, i very first estimated the relationship anywhere between girls body proportions and fecundity (amount of egg), hence we performed by quoting for the situ just how many eggs throughout the handbags off six other-sized women
Parentage studies anticipate us to choose twenty-seven SRs (14 and you may thirteen in the 2007 and 2010, respectively). The latest lengths off SRs varied out of 26 to 59 mm, implying that this category try probably composed of people from multiple cohorts. Parentage analysis mainly Popular datings online dating based the location of your own mothers you to definitely produced SRs.
Taking into account new adaptation out of female size one of internet sites, i learned that females one delivered SRs was in fact significantly larger (3–several.4% TL, 8–32% biomass) compared to those you to definitely did not (p = 0.006; figure step 1 and you will table step three). Which have one or two exceptions, the sites where SRs was basically lead got medium in order to high densities of females, as well as in the instances except one female that don’t write SRs was way more numerous as opposed to those one to performed (contour 1).
Dining table step 3. Randomized cut off ANOVA with the aftereffect of females proportions to your production of thinking-recruits in a population out-of tangerine-fin anemonefish (Amphiprion chrysopterus) within the Moorea, French Polynesia. Webpages is felt a haphazard basis and you can SR/NOSR (and this differentiates females one to lead thinking-recruits and those that did not) is actually managed because the fixed (we.e. F-really worth computed playing with particular III MS to have site ? SR/NOSR once the an error label).