79 research outputs found
New national and regional bryophyte records, 52
Marchantia paleacea is a new species for the Umbria Region and is rare in central and southern Italy.
This record is in a Site of Community Importance (SCI) IT5220017 and a Special Area of Conservation (SAC) of the Natura 2000 EU-wide network due to the presence of the 7220* âPetrifying springs with tufa formation (Cratoneurion)â Annexe I priority habitat. The particular environment, with a gorge and waterfall, created a very special microclimate that allowed the establishment of interesting liverworts and mosses
A critical review of smaller state diplomacy
In The Peloponnesian War, Thucydides (1972: 402) highlights the effects of the general, overall
weakness of smaller states vis-Ă -vis larger, more powerful ones in a key passage, where the
Athenians remind the Melians that:
â⊠since you know as well as we do that, as the world goes, right is only in question
between equals in power. Meanwhile, the strong do what they can and the weak suffer
what they must.â
Concerns about the vulnerability of small, weak, isolated states have echoed throughout history:
from Thucydides, through the review by Machiavelli (1985) of the risks of inviting great powers
to intervene in domestic affairs, through 20th century US-led contemporary political science
(Vital, 1971; Handel, 1990) and Commonwealth led scholarship (Commonwealth Secretariat,
1985). In the context of 20th century âBalkanizationâ, the small state could also prove unstable,
even hostile and uncooperative, a situation tempting enough to invite the intrusion of more
powerful neighbours: a combination, according to Brzezinski (1997: 123-124) of a power
vacuum and a corollary power suction2: in the outcome, if the small state is âabsorbedâ, it would
be its fault, and its destiny, in the grand scheme of things. In an excellent review of small states
in the context of the global politics of development, Payne (2004: 623, 634) concludes that
âvulnerabilities rather than opportunities are the most striking consequence of smallnessâ. It has
been recently claimed that, since they cannot defend or represent themselves adequately, small
states âlack real independence, which makes them suboptimal participants in the international
systemâ (Hagalin, 2005: 1).
There is however, a less notable and acknowledged but more extraordinary strand of
argumentation that considers âthe power of powerlessnessâ, and the ability of small states to
exploit their smaller size in a variety of ways in order to achieve their intended, even if unlikely,
policy outcomes. The pursuance of smaller state goals becomes paradoxically acceptable and
achievable precisely because such smaller states do not have the power to leverage disputants or
pursue their own agenda. A case in point concerns the smallest state of all, the Vatican, whose
powers are both unique and ambiguous, but certainly not insignificant (The Economist, 2007).
Smaller states have âpunched above their weightâ (e.g. Edis, 1991); and, intermittently, political scientists confront their âamazing intractabilityâ (e.g. Suhrke, 1973: 508). Henry Kissinger
(1982: 172) referred to this stance, with obvious contempt, as âthe tyranny of the weakâ3.
This paper seeks a safe passage through these two, equally reductionist, propositions. It
deliberately focuses first on a comparative case analysis of two, distinct âsmall state-big stateâ
contests drawn from the 1970s, seeking to infer and tease out the conditions that enable smaller
âLilliputianâ states (whether often or rarely) to beat their respective Goliaths. The discussion is
then taken forward to examine whether similar tactics can work in relation to contemporary
concerns with environmental vulnerability, with a focus on two other, small island states. Before
that, the semiotics of âthe small stateâ need to be explored, since they are suggestive of the
perceptions and expectations that are harboured by decision makers at home and abroad and
which tend towards the self-fulfilling prophecy.peer-reviewe
Multi-Membership and the Effectiveness of Regional Trade Agreements in Western and Southern Africa: A Comparative Study of ECOWAS and SADC
Using a gravity model for 35 countries and the years 1995-2006 we estimate the impact of regional trade agreements in Africa (in particular ECOWAS and SADC) and compare this to the a benchmark of North South trade integration (Europeâs preferential trade agreement). We find that âą ECOWAS and SADC membership significantly increases bilateral trade flows (and by more than for example preferential trade agreements with the EU do), âą SADC membership has a stronger impact compared to ECOWAS and âą that the impact of multi-membership critically depends on the characteristics of the overlapping RTA. We find a positive impact if an additional membership complements the integration process of the original RTA: overlapping memberships had a significant positive effect on bilateral trade within the ECOWAS bloc but it is insignificant for SADC
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An update on vitamin B12-related gene polymorphisms and B12 status.
Vitamin B12 is an essential micronutrient in humans needed for health maintenance. Deficiency of vitamin B12 has been linked to dietary, environmental and genetic factors. Evidence for the genetic basis of vitamin B12 status is poorly understood. However, advancements in genomic techniques have increased the knowledge-base of the genetics of vitamin B12 status. Based on the candidate gene and genome-wide association (GWA) studies, associations between genetic loci in several genes involved in vitamin B12 metabolism have been identified. The objective of this literature review was to identify and discuss reports of associations between single-nucleotide polymorphisms (SNPs) in vitamin B12 pathway genes and their influence on the circulating levels of vitamin B12. Relevant articles were obtained through a literature search on PubMed through to May 2017. An article was included if it examined an association of a SNP with serum or plasma vitamin B12 concentration. Beta coefficients and odds ratios were used to describe the strength of an association, and a â<â0.05 was considered as statistically significant. Two reviewers independently evaluated the eligibility for the inclusion criteria and extracted the data. From 23 studies which fulfilled the selection criteria, 16 studies identified SNPs that showed statistically significant associations with vitamin B12 concentrations. Fifty-nine vitamin B12-related gene polymorphisms associated with vitamin B12 status were identified in total, from the following populations: African American, Brazilian, Canadian, Chinese, Danish, English, European ancestry, Icelandic, Indian, Italian, Latino, Northern Irish, Portuguese and residents of the USA. Overall, the data analyzed suggests that ethnic-specific associations are involved in the genetic determination of vitamin B12 concentrations. However, despite recent success in genetic studies, the majority of identified genes that could explain variation in vitamin B12 concentrations were from Caucasian populations. Further research utilizing larger sample sizes of non-Caucasian populations is necessary in order to better understand these ethnic-specific associations
Socializing One Health: an innovative strategy to investigate social and behavioral risks of emerging viral threats
In an effort to strengthen global capacity to prevent, detect, and control infectious diseases in animals and people, the United States Agency for International Developmentâs (USAID) Emerging Pandemic Threats (EPT) PREDICT project funded development of regional, national, and local One Health capacities for early disease detection, rapid response, disease control, and risk reduction. From the outset, the EPT approach was inclusive of social science research methods designed to understand the contexts and behaviors of communities living and working at human-animal-environment interfaces considered high-risk for virus emergence. Using qualitative and quantitative approaches, PREDICT behavioral research aimed to identify and assess a range of socio-cultural behaviors that could be influential in zoonotic disease emergence, amplification, and transmission. This broad approach to behavioral risk characterization enabled us to identify and characterize human activities that could be linked to the transmission dynamics of new and emerging viruses. This paper provides a discussion of implementation of a social science approach within a zoonotic surveillance framework. We conducted in-depth ethnographic interviews and focus groups to better understand the individual- and community-level knowledge, attitudes, and practices that potentially put participants at risk for zoonotic disease transmission from the animals they live and work with, across 6 interface domains. When we asked highly-exposed individuals (ie. bushmeat hunters, wildlife or guano farmers) about the risk they perceived in their occupational activities, most did not perceive it to be risky, whether because it was normalized by years (or generations) of doing such an activity, or due to lack of information about potential risks. Integrating the social sciences allows investigations of the specific human activities that are hypothesized to drive disease emergence, amplification, and transmission, in order to better substantiate behavioral disease drivers, along with the social dimensions of infection and transmission dynamics. Understanding these dynamics is critical to achieving health security--the protection from threats to health-- which requires investments in both collective and individual health security. Involving behavioral sciences into zoonotic disease surveillance allowed us to push toward fuller community integration and engagement and toward dialogue and implementation of recommendations for disease prevention and improved health security
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