Sex Mature Land
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The maturity ratings distinguish between publicly-promoted adult content, required to be on Adult regions, and non-public adult content, such as private homes with a sex bed, that can be located on Moderate land.
Adult activities cannot be advertised or publicly promoted on Moderate land. Such activity must occur privately, behind closed doors on Moderate land (see below), and is forbidden on General land. These restrictions apply regardless of whether the parcel has hidden avatars.
Advertising for SL search using adult words clearly requires being on Adult land. Other examples of advertising or publicly-promoting include renting signs inworld, listing on events, buying ads in newspapers, or distributing flyers or notecards to passersby.
Adult land crabs generally live on land while their larvae live in the sea. In the case of Sesarma haematoche, female crabs migrate from land to sea to release the larvae at the high tide of syzygy night. Artificial structures along coastal areas are being obstacles for the migration of land crabs and causing synchronized roadkills on coastal roads during breeding migration. In this research, we compared the sex ratios of crab populations in coastal areas with coastal roads and uninhabited island areas with no road. The proportion of females in inland habitats with coastal roads was significantly smaller than island habitats. In particular, females are exposed to the risk of annually repeated roadkills, and the proportion of females decreases rapidly with their growth. If this tendency is general for land crab populations in the coastal areas with roads, significant road mortality of female land crabs during breeding migration can lead to severe population decline in coastal areas. Therefore, it is necessary to take an action to save land crabs crossing coastal roads.
The coastal roads are expanding rapidly due to the dense human population and seaside town in the coastal area (Sekovski 2012). The expansion of roads has a wide variety of ecological effects (Coffin 2007). Artificial structures create barriers to the movement of organisms and resources (e.g., nutrients, sediments) (Bishop et al. 2017). Therefore, the connectivity of coastal regions as ecotone has reduced and fragmented by artificial structures. These changes may affect local populations (Mumme et al. 2000). Coastal artificial structures, including coastal roads, have a significant impact on the organisms in the transition zone (Airoldi et al. 2015). These structures change the surrounding vegetation and become obstacles to animal movement, even though the transition zone between land and sea is of great biodiversity (Burt 2014).
Particularly, land crabs are representative animals that are affected significantly by changes in the transition zone and also keystone species for coastal forests and lagoons (Luppi et al. 2001; Lindquist et al. 2009; Paulay and Starmer 2011). Land crabs play major roles in the nutrient cycle because they are moving between two different habitats of larval and adult stages (Miyake et al. 2019), controlling litter decomposition, and predating invertebrates and plants (Paulay and Starmer 2011). Adult land crabs mainly live and copulate on land habitats without tidal effects (Baine et al. 2007). After mating, ovigerous females have to migrate to the sea for releasing larvae annually. After releasing larvae, the female land crabs return to land habitats again. In this process, the female land crabs are confronted with critical roadkill risk on coastal roads. Accordingly, road mortality has been implicated as a significant demographic force in land crabs, particularly for females, which are killed disproportionately on spawning migration (Baine et al. 2007).
Sex ratios in habitats with coastal roads were significantly more male biased at Jinmok and Wolkok than in other populations in uninhabited islands (Fig. 2; Table 1). Particularly, the proportions of female crab were 29.6% and 35.2% in Jinmok and Wolkok, respectively. By contrast, the proportions of female crab were 57.1% and 54.3% in Gaeguri Island and Keunmok Island without road, respectively.
The majority of the roadkilled crabs in this study were females on the coastal roads in Seolcheon during the summer syzygy, when females migrated for spawning (Fig. 2). Many previous studies reported synchronized larval releasing and migration of female land crabs (Saigusa 1981; Paula 1989). The annual breeding migration makes females exposed to greater danger and increased mortality (Hartnoll et al. 2009). The mortality is due to the various predators and getting washed away while releasing larvae (Paulay and Starmer 2011). Some studies documented the possibility of male biased sex ratio caused by natural migration risk in land crabs (Hartnoll et al. 2009). Recently, artificial structures on the coasts are becoming a bigger obstacle to the movement of animals. In particular, the coastal roads between land habitat and sea caused female land crabs more vulnerable to direct roadkill. In the case of black land crab, the proportion of roadkilled crabs also was female skewed significantly, which might threaten the local population (Baine et al. 2007). Hartnoll et al. (2009) also documented the predominant female dead specimens of a land crab (J. lagostoma) near the shore.
Population of the adult land crabs in habitats with coastal road was significantly male biased in this study. However, in earlier study, the proportion of adult males in land crab population was less numerous than females but closer to 50% during the active season (Suzuki 1981). Similarly, we found that the percent of adult males ranged from 42.9 to 45.7 in habitats without road (uninhabited islands) compared to 64.8-70.4 in habitats with coastal roads. In particular, adult land crabs in Jinmok showed more male biased than Wolgok because coastal roads are closer and bisect between the habitat and the sea completely. There might be a limit to comparison due to the small sample size of the result of the Keunmok Island. On small islands, there are few mammals that could become predators for the land crabs, so comparisons could be limited.
The male crabs tend to be larger than female at mature, and this is observed in several species (Leme 2006; Benetti and Negreiros-Fransozo 2003; Litulo 2005; Hartnoll 1982; Hirose and Negreiros-Fransozo 2008; Mokhtari et al. 2008). This sexual dimorphism in size can be explained from the more resource expending by females for reproduction, whereas males have a faster growth rate (da Silva Castiglioni et al. 2011; Hartnoll 2006; Hartnoll et al. 2009). This means male crabs are expected to be more abundant in the larger size classes. However, in the case of S. haematocheir, it was reported that the proportion of male and female was similar in the large size (Suzuki 1981). In addition, in this study, there was no bias among the places where there was no effect of the coastal road. Thus, it is difficult to interpret that male bias in the size of a big adult is a result of natural growth. Therefore, male biased sex ratios of mature land crabs around coastal roads in this study are likely explained by skewed mortality of females struct by automobiles during annual breeding migration. Moreover, land crab species release multiple clutches of eggs each year (Suzuki 1981) which would further increase the risk of repeated road mortality in habits fragmented by coastal roads.
In conclusion, the sex ratios of adult land crabs were significantly male biased at land habitats with the coastal roads due to the fact that the female land crabs were roadkilled during the breeding migration. Since females are exposed to the risk of annually repeated roadkills, the proportion of females likely to be decrease rapidly as they are getting older and larger. This change might be the result of increased artificial structures by industrialization in the coastal areas. This gender bias can lead to a local population decline. Moreover, as the number of eggs carrying is correlated with the female crab size (Fielding and Haley 1976), the disappearance of large females further reduces potential egg productivity, which will reduce the local population size rapidly. In the Hawaiian islands, a land crab (Geograpsus sp.) has become extinct after human colonization (Paulay and Starmer 2011). In order to conserve land crabs as keystone species of coastal forest, long-term roadkill monitoring and roadkill mitigation measures research will be required.
Awhile ago I mentioned the invaluable work of Tyche Shepherd, a Resident who meticulously tracks in-world Second Life data such as \"Incident\" reports. In a recent report posted on the SL Universe Forum, she has exhaustive details on the full scope of Second Life land, summarized according to content rating (PG, Mature, and Adult, a relatively new designation for SL content with graphic sex and violence). Here they are:
[Update, 11/9: Some readers in Comments dispute how I'm interpreting these numbers in the following paragraph, see conversation below.] Or put another way, if Tyche's numbers are correct, Pixar-friendly land is being added to SL at three times the rate as land better suited for Second Life depictions of Hostel or Antichrist. It's possible the imposition of a credit card verification block has impeded the growth of Adult land; whatever the case, it seems to be shrinking as a proportion. Back in 2007, Philip Linden said total Adult-rated landmass was 18% -- now presuming Tyche Shepherd's data is accurate (and I've no reason to doubt it), it's evidently a third that size. Hat tip: Opensource Obscure
A lot of people figured out the policy was not exactly clearly stated and they didn't have to go adult. A lot of people are leaving Zindra to go back to mature because LL appears unwilling to enforce the adult oriented policy on certain well known people's operations therefore they cannot enforce it on anyone without yet another potential legal situation. Bad bet. I think in these cases the policy will eventually be enforced and guess what That free zindra swap is no longer an option and land there goes for L$20 per sq meter now. So really the less adult regions there are the more valuable that griefer free land is. 59ce067264