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The southern African shrub boneseed [Chrysanthemoides monilifera subsp. monilifera (L.) Norl.] is a perennial shrub that is a significant threat to natural ecosystems and is listed as a Weed of National Significance in Australia. In Western Australia (WA) it has spread across peri-urban and natural environments. We assembled a single standardized database containing more than 2,050 presence records for individual plants and 135 absence records at a local population level. We further refined the populations into 89 sites that require different management trajectories due to topography and capacity of land managers to implement control. Forty-nine of these sites were in urban regions and 40 sites were in regional WA. We split these 89 sites into three near-term management goals: watch (12), extirpate (68), and contain (9). The 12 watch sites are those where all available evidence suggests that there have been no new inputs into the seedbank for 15 yr. The 68 sites marked for extirpation are those where delimitation is already achieved or easily achievable, where there have been minimal seed inputs into the soil seedbank in recent years due to consistent surveillance and control, and where surveys for new plants are likely to be efficient to conduct. Finally, for nine sites in urban regions around Perth, we recommend containment in the near term with a longer-term goal to achieve delimitation and extirpation. To achieve the objective of state-level eradication, a coordinated and sustained campaign involving three components—delimitation of all sites, prevention of further inputs into the soil seedbank, and systematic field surveys to remove plants—must commence without delay. While resourcing requirements for delimitation and overall program management are not possible to estimate, our prior experience suggests that it will take at least 1,900 h of on-ground surveying by experienced personnel to achieve extirpation of C. monilifera subsp. monilifera in WA.
The rise of UKIP began in the 1990s under the leadership of Nigel Farage, another admirer of Powell. From the 1990s on, prominent Conservative Party figures spoke against what they regarded as the foreignization of Britain, sometimes overtly sometimes by insinuation. The latter approach was continued in the malevolent poster slogans of the Conservative campaign during the 2005 general election. After the Conservatives gained power, this activity continued in the even more aggressive ‘hostile environment’ campaign. By the time of the 2016 referendum, anti-immigrant sentiment was mobilised in various ways that included hints and allusions, the citing of misleading statistics, emotive metaphor and barefaced reiteration of untruths. The most blatant example was the pro-Leavers’ assertions that Turkey was about to join the EU, contrary to the well-known fact that Turkey’s application was indefinitely stalled because of its human rights record. In Brexit propaganda, the danger of Turkish accession was tacitly racist, and represented in terms of an ‘invasion’ of the British Isles. The workings of these various types of truth-twisting are examined in depth in this chapter.
CO2 release rates from soils via soil respiration play an important role in the carbon budget of terrestrial ecosystems. Though the roles of soil temperature and moisture on soil respiration are well recognised, less is known about how their effects vary across different land-cover types. This study looked at the interactive effects of land-cover change and microclimate on temporal patterns of soil respiration in a montane forest-grassland-plantation mosaic in a highly diverse but climatically sensitive ecosystem in the tropical Western Ghats of India. Across all vegetation types, soil respiration rates were highest during south-west monsoon (June–October), when root growth, litter decomposition and microbial activity are relatively high and were lowest during the summer. Among vegetation types, soil respiration rates were higher in grasslands compared to non-native pine plantations, whereas that of forest and invasive wattle (Acacia mearnsii) plantations were intermediate between grasslands and pine plantations. The decline in respiration rates following conversion from grasslands to pine plantations could be due to relatively lower microbial activity, soil temperatures and, subsequently, slower litter decomposition. In addition, the sensitivity of soil respiration to changes in temperature and moisture differed between different vegetation types. Across all vegetation types, respiration was largely insensitive to changes in soil temperature when moisture levels were low. However, when soil moisture levels were high, respiration increased with temperature in grassland and wattle patches, decreased in the case of pine plantations and remained largely unchanged in shola forests. Our results suggest that changes in aboveground vegetation type can significantly affect soil C cycling even in the absence of any underlying differences in soil type.
Antarctic ice-free areas are dominated by wind-dispersed organisms. However, which organisms arrive and circulate in Antarctica and how remain poorly understood. Due to their proximity to South America and less extreme conditions, the South Shetland Islands are likely to receive higher diaspore numbers. One possible consequence of climate change is that newcomers will be able to colonize ice-free areas, altering community compositions and impacting the native biota. We used DNA metabarcoding to identify non-fungal eukaryotic DNA present in the air that could potentially reach and circulate in Antarctica. Air was sampled near the Brazilian Comandante Ferraz Antarctic Station on King George Island between December 2019 and January 2020. Sequences representing a total of 35 taxa from 10 phyla and 3 kingdoms were assigned: Chromista (Ciliophora, Cercozoa, Haptophyta and Ochrophyta), Plantae (Chlorophyta, Bryophyta and Magnoliophyta) and Animalia (Mollusca, Arthropoda and Chordata). The most diverse group were the plants (26 taxa), followed by Chromista (6 taxa). The most abundant sequences represented the green algae Chlamydomonas nivalis. The two angiosperm sequences represent exotic taxa; Folsomia is also exotic and was recorded only on Deception Island. Metabarcoding revealed the presence of previously undocumented airborne diversity, suggesting that the Antarctic airspora includes propagules of both local and distant origin.
The invasion of Mesoamerica – set off by the arrival of Cortés and his followers – was neither peaceful nor simple. These events played out in three phases between February 10, 1519 when the expedition left Cuba and August 13, 1521 when the Mexica tlatoani, Cuauhtemoc, was captured. During the first phase, Moteuczoma and Spaniards sought to learn about each other. Each used diplomacy, Moteuczoma to repel the Spanish, Cortés to gain indigenous allies, to affect events. The second phase of the Spanish-Mexica war began with the Spanish arrival in Tenochtitlan and their imprisonment of Moteuczoma shortly thereafter. That phase ended with Spaniards forced to retreat after their disastrous assault on the Templo Mayor and slaughter of many Mexica leaders. Re-equipping and solidifying his alliances, Cortés and his fighters succeeded in defeating the Mexica in mid-August, 1521. Many kinds of transformations would follow including extensive depopulation and the introduction of new technologies and religious beliefs. Adjustments by Nahuas followed in social and legal affairs as well as in forms of identity. The idea of “Aztec” has tenaciously survived. It exists in contemporary Nahua communities, as an element of national history and culture in Mexico, and as a transnational idea.
This chapter describes the first week of the Russian invasion of Ukraine and the immediate sanctions and export control measures that followed. While focusing on the U.S. response, it describes key steps taken by the European Union, the United Kingdom, Canada, Japan, Australia, and others. The chapter links developments in the ground war to the key economic responses by the forces aligned against Russia. As the extent of the Russian invasion became clear, sanctions were announced and subsequently ratcheted up extremely rapidly. The chapter also highlights the extraordinarily coordinated nature of the sanctions response.
By the end of 2022, the sanctions were voluminous. But the economic and other measures deployed against Russia were not as comprehensive as other sanctions regimes had been. Technically, the sanctions remained targeted. There was no comprehensive trade embargo, for example, against Russia by the United States or the European Union. Regulated parties, however, tended toward overcompliance; companies also ceased to do business with Russia for reputational reasons. These trends meant that the implementation of targeted sanctions often resembled comprehensive ones in practice. But the Russia sanctions were not so sweeping as those imposed upon Cuba, Iran, North Korea, or Syria, for instance.
During the early stages of human pregnancy, successful implantation of embryonic trophoblast cells into the endometrium depends on good communication between trophoblast cells and the endometrium. Abnormal trophoblast cell function can cause embryo implantation failure. In this study, we added cyclosporine A (CsA) to the culture medium to observe the effect of CsA on embryonic trophoblast cells and the related mechanism. We observed that CsA promoted the migration and invasion of embryonic trophoblast cells. CsA promoted the expression of leukaemic inhibitory factor (LIF) and fibroblast growth factor (FGF). In addition, CsA promoted the secretion and volume increase in vesicles in the CsA-treated group compared with the control group. Therefore, CsA may promote the adhesion and invasion of trophoblast cells through LIF and FGF and promote the vesicle dynamic process, which is conducive to embryo implantation.
In The Russia Sanctions, Christine Abely examines the international trade measures and sanctions deployed against Russia in response to its 2022 invasion of Ukraine. Abely situates contemporary sanctions within their larger historical and economic backgrounds and provides a uniquely accessible analysis of the historic export controls and import restrictions enacted since 2022. She argues that these sanctions have affected, and will continue to affect, global trading patterns, financial integration, and foreign policy in novel ways. In particular, she examines the effects of sanctions on energy, food, fertilizer, the financial system, and the global use of the US dollar, including trends of de-dollarization. Coverage includes sanctions against oligarchs, the freezing and seizure of assets, and steps taken to make sanctions more effective by promoting financial transparency worldwide.
Why are the nine years of destructive invasion and attempted conquest of Scotland unknown to English literary criticism? This chapter shows why we have forgotten this unusually brutal invasive war of 1542–1550 and why it matters to remember it. It introduces the ‘British history’ of Geoffrey of Monmouth, through which English kings claimed feudal overlordship of Scotland. It shows how Henry VIII deployed Geoffrey’s history in his Declaration of 1542 to justify invasion, but also how Henry’s rhetoric and strategy disavowed any desire to conquer in the pretence that he was reluctantly forced into reminding the Scots of English overlordship. Such rhetoric, subsequently repeated and reprinted, helped both justify English claims and trivialise the war to the point of oblivion in modern English historiography. The chapter reads a neglected Scottish text by William Lamb which, opposing Henry’s claims by appealing to the law of nations, exposes the precarious fictionality of English claims to overlordship and its lack of credibility in a broader European context.
With an international focus, this chapter analyses Portuguese neutrality in wartime China before the fall of Hong Kong in late 1941, with reference to the British and Japanese imperial presence in the region. It argues that the war in South China saw Macau and its Portuguese administration engaged constantly with these two major imperial powers in a precarious balance marked by continuities in Portugal’s relations with its old ally, the United Kingdom, and a novel proximity to Japan that generated contradictory practices on the ground.
Edited by
Ben Kiernan, Yale University, Connecticut,T. M. Lemos, Huron University College, University of Western Ontario,Tristan S. Taylor, University of New England, Australia
General editor
Ben Kiernan, Yale University, Connecticut
The Vietnamese Le dynasty launched a massive invasion of its neighbor, Champa, in 1471. The invasion, which was the culmination of centuries of back and forth conflict, produced widespread Cham deaths, and the permanent weakening of the southern kingdom. The Vietnamese actions, resulting in at least 40,000 recorded deaths, may well have been genocidal, though the limited historical record is unclear. It does, though, reveal that the Vietnamese used beheading against many of the victims, an action that appears punitive rather than incidental to warfare, and uniquely applied to the Cham. Furthermore, the Vietnamese carried out a project to rename geographical features in the Cham territories, suggesting a degree of cultural erasure while also substantially and permanently reducing the size of the Cham realm. Thus, although the evidence for genocide is ambiguous, it is clear that the Vietnamese actions in the late fifteenth century sought permanently to reduce the influence and threat posed by Champa via an overwhelming show of force.
In the past, architectural change in Archaic Greece was often explained as a somehow natural, coherent evolution from “primitive” wooden structures to sophisticated stone temples. Following the ancient writer Vitruvius, modern authors have attempted to demonstrate that the architectural orders, in particular the Doric, can be traced back to functional necessities typical of wooden buildings. While this explanation of the Doric order has long been questioned, few attempts have been made to explore alternative explanations. The chapter lays out a methodology to analyze architectural change by asking how the experience of sacred spaces and landscapes changed and who were the social groups interested in promoting such change. The chapter highlights the kinetic and multisensorial dimension of the experience of space and architecture, as stressed also by authors from other fields. Further, a survey of recent contributions to the study of the Doric and Ionic orders suggests that they emerged suddenly in the early sixth century BC, rather than evolving slowly over centuries. The emergence of the Doric order went hand in hand with the emergence of architectural sculpture on pediments and friezes. By looking at a series of case studies the book aims to shed light on the relation between the various transformation processes.
In this fully revised and updated in-depth analysis of the war in Ukraine, Paul D'Anieri explores the dynamics within Ukraine, between Ukraine and Russia, and between Russia and the West that emerged with the collapse of the Soviet Union and eventually resulted in Russia's invasion in 2022. Proceeding chronologically, this book shows how Ukraine's separation from Russia in 1991, at the time called a 'civilized divorce,' led to Europe's most violent conflict since WWII. It argues the conflict came about because of three underlying factors-the security dilemma, the impact of democratization on geopolitics, and the incompatible goals of a post-Cold War Europe. Rather than a peaceful situation that was squandered, D'Anieri argues that these were deep-seated pre-existing disagreements that could not be bridged, with concerning implications for the prospects of resolution of the Ukraine conflict.
As Russia massed troops on Ukraine’s borders in late 2021, few believed that Russia would actually carry out a full-scale invasion. On February 24, 2022 Russia invaded Ukraine along four axes. Contrary to expectations, Ukraine put up a spirited response and Russia’s attack stalled. The West enacted extensive sanctions and provided arms to Ukraine. By the summer of 2022 the war bogged down, with Russia in control of roughly a fifth of Ukraine’s territory. Both sides appeared committed to pursuing success on the battlefield rather than the bargaining table. The war was turning into a contest of logistics, resupply, and endurance.
Russia’s invasion of Ukraine shattered any remaining illusions about order in post-Cold War Europe. What caused the conflict? The grounds for conflict were deeply rooted and multiple factors interacted. From the outset, the actors’ goals were incompatible, even if that was obscured by the euphoria that accompanied the fall of communism. All the causes of the conflict remain in place, exacerbated by the war and responses to it. Understanding the deep causes of the conflict forces us to confront the likelihood that simple solutions, like Putin’s passing, are unlikely to solve it.
Applying the difference-in-difference (DID) estimation procedure, this study quantifies the wheat blast (Magnaporthe oryzae pathotype Triticum) induced losses in wheat yield, quantity of wheat sold, consumed, or stored, as well as wheat grain value in Bangladesh in 2016 following a disease outbreak that affected over 15,000 ha. Estimates show that the blast-induced yield loss was 540 kg ha−1 on average for households in blast-affected districts. Estimated total wheat production loss was approximately 8,205 tons worth USD 2.1 million in during the 2016 outbreak. Based on these insights, we discuss the need for long-term assured investment and concerted research efforts in controlling transboundary diseases such as wheat blast, including the importance of weather forecast driven early warning systems and the dissemination of blast-resistant varieties.
This chapter argues that the conflict at sea was an important and frequently overlooked part of the Napoleonic Wars. Focusing primarily on the Royal Navy and French maritime forces, but also mentioning the navies of Spain, Denmark, Sweden, the Netherlands and United States, it outlines the manifold ways in which maritime warfare shaped wider events on land, and helped determine the conflict’s final outcome. It demonstrates that French attempts to invade Britain were successfully rebuffed by the Royal Navy, ensuring that Britain remained in the conflict. The chapter then offers a more modern take on the commonly misunderstood Battle of Trafalgar, arguing that it was far from decisive and did little to change the course of the war. The naval conflict continued in earnest after 1805, and the war of trade became all-consuming, particularly after the inception of ‘Napoleon’s Continental system’. Here the navy offered a stubborn resistance to the French Emperor’s objectives, helping to encourage illicit trade with the European continent while also expanding Britain’s empire and mercantilist reach elsewhere in the globe. Finally, it demonstrates that maritime support was crucial to the land war, not least Wellington’s Peninsula campaign.
By comparison with the continental powers, Britain had no more than a medium-sized army, but the largest navy in Europe. This chapter seeks to explore the bases of Britain’s naval strength, going back to the seventeenth-century Navigation Acts, and then to consider how that strength was deployed in the war against Napoleon. It argues that the Royal Navy, despite the limited impact it might be thought that it could have on land warfare, played an important part in the final defeat of Napoleon.
The Russian invasion of Ukraine in 2022 has its roots in the events of 2013–2014. Russia cynically termed the seditionist conflict in Crimea and Eastern Donbas a 'civil war' in order to claim non-involvement. This flies in the face of evidence, but the authors argue that the social science literature on civil wars can be used help understand why no political solution was found between 2015 and 2022. The book explains how Russia, after seizing Crimea, was reacting to events it could not control and sent troops only to areas of Ukraine where it knew it would face little resistance (Eastern Donbas). Kremlin decisionmakers misunderstood the attachment of the Russian-speaking population to the Ukrainian state and also failed to anticipate that their intervention would transform Ukraine into a more cohesively 'Ukrainian' polity. Drawing on Ukrainian documentary sources, this concise book explains these important developments to a non-specialist readership.