Sap properties and alk(en)ylresorcinol concentrations in Australian-grown mangoes.

Physical and chemical properties of sap and sap concentrations of constitutive alk(en)ylresorcinols were determined in several varieties of mango grown in different locations in Queensland, Australia, over two consecutive cropping seasons. Sap weight from individual fruit, sap pH, percentage of non-aqueous sap and concentrations of constitutive alk(en)ylresorcinols (5-n-heptadecenylresorcinol and 5-n-pentadecylresorcinol) in sap varied significantly among the varieties. 'Calypso', 'Keitt', 'Kensington Pride' and 'Celebration' had the greatest proportion of non-aqueous sap, whereas 'Nam Doc Mai' had the least. The highest concentrations of 5-n-heptadecenylresorcinol were found in the sap of 'Kensington Pride', and the lowest in 'Honey Gold' and 'Nam Doc Mai'. Highest concentrations of 5-n-pentadecylresorcinol were found in sap of 'Calypso' and 'Celebration', and the lowest levels were in 'Honey Gold' and 'Nam Doc Mai'. There was a direct relationship between the percentage of non-aqueous sap and the concentrations of alk(en)ylresorcinols (r(2) = 0.77 for 5-n-heptadecenylresorcinol, and r(2) = 0.87 for 5-n-pentadecylresorcinol). The alk(en)ylresorcinols were distributed mainly in the upper non-aqueous phase of 'Kensington Pride' sap. Growing location also had significant effects on the composition of mango sap but the effects appeared to be related to differences in maturity. Sap removal is necessary to prevent sapburn, but considerable quantities of alk(en)ylresorcinols that assist in protecting the harvested fruit from anthracnose disease are also removed.

Use of norethisterone and estradiol in mini doses as a contraceptive in the male : Efficacy studies in the adult male bonnet monkey (Macaca radiata)

Administration of norethisterone (NET) or NET + estradiol benzoate using an Alzet minipump or as once-a-month intramuscular injection of their depot forms, NET-enanthate (NET-EN) and estradiol valerate (E-val), resulted in azoospermia in all monkeys (n = 13) within 60 to 150 days of treatment. Although addition of depot form of testosterone (T, 20 mg/month) to the regimen restored the behavioral response typical of a normal male, it did not reverse the azoospermic state. Serum T (heightened nocturnal) levels were significantly reduced (> 85%, p < 0.001) in all the treated groups. Evidence for blockade in spermatogenesis following treatment was obtained by DNA flow cytometry. Following withdrawal of treatment, the T level was restored to normalcy within 15 days but 120 days more were required for the animals to exhibit normal sperm counts. In conclusion, the efficacy of once-a-month injection of relatively low doses of NET-EN + E-Val to bring about azoospermia in monkeys, in a relatively short time, has been demonstrated. As the results are uniform and reproducible, it appears desirable that this steroid regimen be tested in man for its contraceptive efficacy.

La distruzione delle statue di Pausania nella Sparta tardoantica (Lib. Ep. 1518)

Abstract: The late antique destruction of two bronze statues of Pausanias - the Spartan general responsible for the Greek victory at the Battle of Plataea (479 BC) - housed in the temple of Athena Chalkioikos in Sparta (Lib. Ep. 1518), has been interpreted as one of the few cases of a violent conflict between pagan and Christian population in Greece. Nevertheless the sources suggest that late antique Sparta was a bastion of Hellenic paganism and give a picture of a small and quiet town ruled by a pagan educated élite, where pagans like Libanius wanted to live. Since there is no evidence of a violent conflict between pagans and Christians in Sparta, and Libanius confirms that in 365 AD all the temples and cult statues were still in place, this paper addresses the issue from a different point of view and offers a new contribution to the history of Sparta in Late Antiquity. By using literary, archaeological and epigraphic evidence the paper explores: 1) the relationship between Roman administration and Spartan élite in the IVth century AD; 2) the historical memory of Pausanias in Late Antiquity. It will be emphasized that the obscure burning of the two statues helped to remove from Sparta the memory of Pausanias - a controversial figure, misrepresented in Late Antiquity and connected to the ancient staseis in Laconia - in order to promote a positive image of Sparta as a city without conflicts and ruled by the political system of Lycurgus (eunomia). As documented by local inscriptions in praise of late Roman governors, the mythical lawgiver Lycurgus was the paradigm of the imperial governors who rebuilded the town in the IVth cent. AD. It can be assumed that while Rome, Constantinople, Antioch and Athens were troubled by political and religious violence or by seditions between different factions, Sparta aimed to revive its traditional model of civic order in the new historical context of Late Antiquity.

Raíces ideológicas de la perspectiva de género

Resumen: El feminismo radical o de género tiene sus orígenes históricos, su matriz ideológica y su modo dialéctico de entender la relación varón-mujer, en el pensamiento marxista (Engels, de Beauvoir, Firestone). La “antítesis” de esta lucha de sexos es la revolución feminista radical, y su principal instrumento revolucionario y de penetración cultural es la ideología de género. La fase central de esta revolución es el apoderamiento, por parte de las mujeres, de los medios de reproducción. Los medios que han demostrado ser más aptos para lograr la victoria son el aborto por decisión privativa de la mujer, la fecundación artificial y el matrimonio entre personas del mismo sexo. La revolución se libra en el campo cultural y, luego, en el jurídico.

El ciclo ceremonial de la batalla de La Higueruela (1431)

Resumen: La batalla de La Higueruela (1431) fue el éxito militar más importante en la frontera granadina de Juan II de Castilla. Más allá del hecho militar, este acontecimiento fue una ocasión para el desarrollo de varias ceremonias de la realeza. El estudio de estas ceremonias ofrece un interesante reflejo de las relaciones políticas dentro de la corte castellana.

Los buques públicos y el derecho internacional contemporáneo : el caso de la “Fragata ARA Libertad”

Resumen: El Derecho del Mar constituye, históricamente, uno de los puntos sobresalientes en la evolución y actualidad del Derecho Internacional ya que, incluso, su aparición y gestación precede a los mismos Estados. En ese sentido, a partir de la denominada “batalla de los libros”, el mar ha sido objeto de arduos y permanentes debates que pueden reflejarse, casi en su totalidad, en la Tercera Conferencia de las Naciones Unidas sobre el Derecho del Mar, realizada entre 1973 y 1982. Sobre estas consideraciones, la propuesta del presente trabajo es analizar una de ellas, como lo es la inmunidad de los buques de guerra extranjeros durante su estadía en puertos de otros Estados. Si bien a priori la cuestión no se manifiesta como compleja, lo cierto es que a 200 años del Schooner Exchange, su debate ha reaparecido, especialmente, a partir del caso de la Fragata ARA Libertad. En razón de lo expuesto, comenzaremos con una breve conceptualización jurídica de los buques y su clasificación, para luego examinar el régimen de inmunidad que poseen los buques de guerra extranjeros y las características que presenta la relación entre éste y el Estado ribereño local. Posteriormente, consideraremos estos aspectos a la luz del caso referido para, finalmente, formular algunas reflexiones considerando todo lo analizado en su conjunto.

Use of aerial survey and aerophotogrammetry methods in monitoring manatee populations

We evaluated the use of strip-transect survey methods for manatees through a series of replicate aerial surveys in the Banana River, Brevard County, Florida, during summer 1993 and summer 1994. Transect methods sample a representative portion of the total study area, thus allowing for statistical extrapolation to the total area. Other advantages of transect methods are less flight time and less cost than total coverage, ease of navigation, and reduced likelihood of double-counting. Our objectives were: (1) to identify visibility biases associated with the transect survey method and to adjust the counts accordingly; (2) to derive a population estimate with known variance for the Banana River during summer; and (3) to evaluate the potential value of this survey method for monitoring trends in manatee population size over time. (51 page document)

SAMUDRA Report, No. 49, March 2008

Report: Traceability - Tracing the Fish. Uruguay: Fisheries Development - Worn-out Policies. Document: Civil Society Statement - Recognize Rights. Report: ICSF Workshop - Towards a New Commons. Notice: 4SSF Conference - Securing Sustainable Small-scale Fisheries. Malawi: Fisheries Management - Participatory Fisheries Management Revisited. Notice: ICSF Resources - Recent Releases. France: Marine Parks - Reversing from a Dead End. Report: WFFP - Re-energizing for Dignity and Prosperity. Iceland: Human Rights - Common Property or Personal Property? (56 pp.)

Fishery resources of the United States of America

The term “fishery resources” is used in this book with a broad application. It includes the populations of the fishes and other organisms useful to men, the environment that makes life possible for them, the industry that exploits and utilizes them, and our knowledge about them by which we can conserve their productivity. This book aims to survey the present status of all these aspects of those fishery resources that are used or are available for use by United States anglers and commercial fishermen. It is planned primarily for the Congress, at its request, with the idea of giving to busy people, in condensed fashion, a perspective on its subject. (pdf contains 142 pages)

Bulletin of the Department of Agriculture, State of California, May 1939

Includes Exotic Mollusca in California, by G. Dallas Hanna p.298-321.(PDF contains 57 pages.)

Social dimensions of sea turtle protection in Orissa, India: Case study of Gahirmatha (marine) Wildlife Sanctuary and the nesting beaches of Rushikulya and Debi

pdf has 37p.

Gulf of Kutch Marine National Park and Marine Wildlife Sanctuary: A case study

pdf has 46p.

Assessing the sustainability of brackish water aquaculture systems in the Phillipines. Working Paper 1: A typology of brackish-water pond aquaculture systems in the Philippines

Aquaculture in the Philippines is a long-standing activity but has witnessed relatively recent, rapid, technical change with the introduction of hatchery technology and commercial feed-mills changing the production possibilities for a fishpond operator. We are confronted with a diversity of aquaculture practices in the coastal areas of the Philippines, with new technologies being incorporated into more traditional systems. As a first step to understanding the sector, we therefore present a typology of farming systems with the motivation of generating domains (farm “types”) over which we can compare performance on a number of indicators. Our typology, restricted to brackish-water pond systems, is constructed using multivariate methods (principal components analysis, cluster analysis). Eight variables are used relating to the management of the farm across all the major factors of production. A stratified net sample of 136 observations provides the data for the analysis, from a farm-level survey carried out between January and June 2003 in the two main brackish-water production regions in the Philippines. We define five farm types from this analysis. In later work we will show how the use of this typology can be used for comparative study of economic, social and ecological performance at the farm-level. [PDF contains 42 pages]

Assessing the sustainability of brackish water aquaculture systems in the Philippines. Working Paper 4: Aquaculture and poverty - a case study of five coastal communities in the Philippines

After reviewing the rather thin literature on the subject, we investigate the relationship between aquaculture and poverty based on a case study of five coastal communities in the Philippines. The analysis relies on a data set collated through a questionnaire survey of 148 households randomly selected in these five communities. The methodological approach combines the qualitative analysis of how this relationship is perceived by the surveyed households and a quantitative analysis of the levels and determinants of poverty and inequality in these communities. There is overwhelming evidence that aquaculture benefits the poor in important ways and that it is perceived very positively by the poor and non-poor alike. In particular, the poor derive a relatively larger share of their income from aquaculture than the rich, and a lowering of the poverty line only reinforces this result. Further, a Gini decomposition exercise shows unambiguously that aquaculture represents an inequality-reducing source of income. We believe that the pro-poor character of brackish water aquaculture in the study areas is explained by the fact that the sector provides employment to a large number of unskilled workers in communities characterized by large surpluses of labour. Our results also suggest that the analysis of the relationship between aquaculture and poverty should not focus exclusively on the socio-economic status of the farm operator/owner, as has often been the case in the past. [PDF contains 51 pages]

The lowland dry zone of Sri Lanka: site for study of aquaculture development within farmer-managed irrigation systems and methodology for participatory situation appraisal

The aims of this paper are twofold. Firstly to characterise rural poverty and to give a broad overview of the agro-ecological, climatic and socio-economic conditions in Sri Lanka which shape poverty. Secondly to present the methodology employed to screen suitable field research areas and the techniques subsequently used to carry out Rapid Rural Appraisal in two upper-watersheds villages. Also presented are details of a concurrent stakeholder analysis that aimed to investigate the capacity of secondary stakeholders to promote sustainable aquatic resource development and to invite their participation in the formulation of a participatory research agenda.[PDF contains 58 pages]