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This chapter explores the promise of “semi-parliamentarism” by asking whether it can be adapted to suggest versions of non-parliamentary regimes that better reconcile the values of democratic governance and address the contemporary challenges of party polarization and fragmentation. The focus is not on which regime type is superior overall but on how to maximize the potential benefits of semi-parliamentarism through ambitious, but not wholesale, design reforms in the face of current democratic challenges. Specifically, I argue that semi-parliamentarism’s core feature of “symmetrical” and “incongruent” bicameralism is detachable from parliamentarism and that, with suitable customization, is available in presidential and semi-presidential versions that may reduce the pathologies of party systems and better balance the underlying values of democratic governance than existing regimes of these types. The adapted forms may also address some of the causes, and resist some of the consequences, of democratic backsliding in general and authoritarian populism in particular.
The ILC Study Group on Fragmentation of International Law asserted that the proliferation of special regimes poses a threat to the unity of the international legal system. Chapter 6 challenges this assumption. It builds on the distinction made in epistemology between knowledge-that and knowledge-how. The idea of a special regime as a community of practice makes it a system of knowledge-how. As such, it is compatible with all of the legal positivist’s, legal realist’s and legal idealist’s conceptions of an international legal system, which either see it as a system of knowledge-that or a combination of a system of knowledge-that and a system of knowledge-how. In the former case, in no way does the proliferation of special regimes affect the unity of the international legal system. In the latter case, the unity of the international legal system is indeed affected, but only in a positive sense, as it increases the efficacy of international law relative to the assumed legal ideal.
Over the last thirty or so years, international law and legal practice have become increasingly more specialized and diversified. These developments come with an increasingly divergent legal practice, in what has been coined as 'special regimes'. This book proposes a new understanding of the concept of a special regime to explain why specialists in different fields of international law do similar things differently. It argues that special regimes are best conceived as communities of practice, in the sense of Etienne Wenger's theory of communities of practice. It explores how the theory of communities of practice translates to the context of international law and the concept of a special regime. The authors draw up an innovative methodology to investigate their theory, focused on the conduct of community members, and apply this method to selected case studies, offering an original approach to the understanding of the special regimes in international law.
This chapter first describes the dependent variable – agrarian elites’ strategies of political influence – and its three categories (nonelectoral, party-building, and candidate-centered) in terms of their reliability and costs. Then, it introduces a new theory to explain the variation in agrarian elites’ strategies of political influence under democracy. It highlights the role of two independent variables – perception of an existential threat and intragroup fragmentation – to explain when and how agrarian elites will organize in the electoral arena. It argues that agrarian elites will enter the electoral arena only when they perceive an existential threat. In turn, landowners’ level of intragroup fragmentation conditions the way they organize their electoral representation. Where landed elites are cohesive, they will engage in party-building. In contrast, highly fragmented elites will prefer a nonpartisan, candidate-centered strategy of representation, supporting individual like-minded politicians across partisan lines. Lastly, the chapter assesses three main alternative explanations, previous history of electoral organization, electoral rules, and the relevance of congress as a policymaking arena.
Heterogeneity and integrative levels are other aspects of the dialectical approach. In this chapter we elaborate our fundamental argument concerning the landscape nature of biodiversity conservation, emphasizing the role of agroecosystems in evaluating the biodiversity effects of various landscape forms. The fragmentation of natural habitats leads to a heterogeneous landscape where biodiversity conservation depends on how those patches are interconnected at various spatial and temporal scales. We emphasize the ecological nature of the project (e.g., the need to preserve metapopulation structures) and the sociopolitical aspects (small farmer perspectives on nature and biodiversity). We introduce here some more advanced ecological topics such as ephemeral sources and propagating sinks, and note that the recent emphasis on novel ecosystems fits snugly within the agroecological framing of biodiversity conservation.
In West Africa, vast areas are being deforested; the remnant forest patches provide a wealth of ecosystem services and biodiversity conservation potential, yet they are threatened by human activity. Forest patches <100 ha have not been widely catalogued before; we mapped forest loss of small forest patches outside of protected areas in the Guinean savannah and humid Guineo-Congolian bioclimatic regions of Togo, Benin, Nigeria and Cameroon between 2000 and 2022. Focusing on the dynamics of small patches, without considering the splitting process of larger patches, we quantified changes in their number and area and the rate and trend of forest loss. Small forest patches are widespread, yet their area and number have decreased, while the forest loss rate is increasing. Primary forest patches lost almost half of their area annually – twice as much as secondary forests, and this loss was especially pronounced across small patches (0.5 – 10 ha), suggesting deforestation preferentially occurs in the smallest patches of primary forest. If forest loss continues at the current rate, 14% of the total forest area mapped in this study will have disappeared by 2032, jeopardizing their potential to provide ecosystem services and emphasizing the need for measures to counter their deforestation.
Microplastics pollution is a widely recognized issue, although significant analytical challenges remain to be overcome in order to achieve a more comprehensive ecological understanding. The complex nature of this pollutant, with its variable physical and chemical properties, presents considerable challenges when it comes to establishing standardized methods for studying it. One crucial factor that influences its toxicity is particle size, yet even this parameter lacks a well-established framework, especially in the case of nanoplastics. Although the size range limits are already proposed in the literature, where the most acceptable values for microplastics are from 1 to 5,000 μm and for nanoplastics are from 1 to 1,000 nm, we propose narrowing these limits to 0.1–1,000 μm and 10–100 nm, respectively. We based our discussion on conceptual terminology, polymer structure and toxicity, highlighting the significance of accurately defining their size range. The standardization of these limits will allow the development of more efficient approaches to studying this pollutant, enabling a comprehensive understanding of its ecological consequences and potential risks.
Island biogeography theory views island species richness as an equilibrium of extinction rates and the immigration rates of novel species to an island. At equilibrium, MacArthur and Wilson’s model predicts that species composition will change over time, but species richness will remain relatively stable. In addition, large islands with low extinction rates and high immigration rates will tend to support more species than will small islands. Geographic ecologists also want to understand why particular species or groups of species have a particular geographic distribution. The theories of continental drift and plate tectonics have helped to resolve these questions. More recently, developments in molecular technology have allowed biogeographers to answer numerous questions about species distributions. Landscape ecology explores how variation in landscape structure, such as configuration or scale, influences the distribution and abundance of species. Conservation ecologists are particularly concerned that industrial, agricultural, and urban development have led to increased fragmentation of habitat that is suitable for sustainable wildlife populations. Applying the lessons of island biogeography, ecologists recommend erecting immigration corridors to increase immigration rates of novel species into nature preserves, thereby increasing species richness.
How should we best characterise the UK party system in the wake of nearly a decade and a half of Conservative government? Has it undergone a significant and enduring realignment, or merely amounted to passing turbulence, after which things have returned to the seemingly eternal verities of stable two-party competition? The question for us to consider in this chapter is whether we can regard the period since 2010 in such terms: in particular, does the general election of December 2019 constitute a moment of critical realignment? Or is it more sensible to view this as the mere culmination of a relatively prolonged period of Conservative Party ascendancy based on a regular swing of the electoral pendulum – a swing which will inevitably reverse itself as the centre of electoral gravity shifts in favour of Labour once more? In other words, a simple affirmation of the age-old dynamics of the two-party system.
Edge effects change biodiversity patterns and ecological processes, particularly in tropical forests. To understand the synergistic impact of multiple edges, this study examines how edge influence (EI) is associated with life-history traits (snout-vent length and body temperature), diversity and microhabitat of amphibians as well as habitat characteristics in a tropical forest in Ecuador. We used EI, a metric that calculates cumulative effects across all nearby edges, in combination with five environmental variables that are part of the amphibians’ microhabitat (temperature, humidity, slope, canopy cover and leaf litter depth) to understand how their biodiversity patterns are impacted. Our results show that most amphibian species tend to be habitat specialists, and many had an affinity for forest edges and warmer habitats. We do not find significant correlations between EI and amphibian life-history traits and diversity. Our findings corroborate previous results that many amphibian species tend to be positively associated with habitat fragmentation and show that this association is likely driven by thermal regulation.
Andrea Bianchi, Graduate Institute of International and Development Studies, Geneva,Fuad Zarbiyev, Graduate Institute of International and Development Studies, Geneva
Systemic integration has made its way into the parlance and practice of international scholars and adjudicators, particularly as a tool against the fragmentation of international law. The chapter analyses it as a particular instance of what Foucault termed ‘problematization’, that is, ‘how and why certain things (behavior, phenomena, processes) became a problem’. In fact, while the issue of fragmentation is not a recent phenomenon, only in the late 1990s did it receive special attention. Why was it so? The question of what drove most international lawyers to present fragmentation as one of the most pressing issues of the time, and the International Law Commission to issue a report on fragmentation and international law, prepared by Martti Koskenniemi in 2006, is examined. The chapter argues that the wide acceptance of the systemic integration principle could be explained by international lawyers’ continuous quest for unity, uniformity, and coherence.
This chapter highlights the importance of government composition in explaining the nature of domestic conflict in the refugee crisis. It puts into evidence two important aspects of this composition: fragmentation and ideology. Most of the governments in our study are coalition governments and therefore should not be treated as unitary actors. The type of governments in charge during the crisis ranges from monolithic single-party governments to fractious grand coalitions. Fragmentation is fairly closely linked to the prevalence of intragovernmental conflict, while the link with ideological distance between the parties appeared to matter less. We confirm that center right governments are more likely to engage in debates centered on immigration with the opposition. However, the general relationship between ideology and partisan conflict is weak. The source of the partisan challenge matters more than the ideological make-up of the government: When the challenge comes from the radical right – and to a lesser extent, from the center right – security–sovereignty–identitarian frame types are more likely to be prevalent compared to challenges from the mainstream left, where humanitarian–solidaristic–democratic themes are likely to take center stage.
Particle-size distribution (PSD) is a fundamental soil property usually reported as discrete clay, silt, and sand percentages. Models and methods to effectively generate a continuous PSD from such poor descriptions using another property would be extremely useful to predict and understand in fragmented distributions, which are ubiquitous in nature. Power laws for soil PSDs imply scale invariance (or selfsimilarity), a property which has proven useful in PSD description. This work is based on two novel ideas in modeling PSDs: (1) the concept of selfsimilarity in PSDs; and (2) mathematical tools to calculate fractal distributions for specific soil PSDs using few actual texture data. Based on these ideas, a random, multiplicative cascade model was developed that relies on a regularity of scale invariance called ‘log-selfsimilarity.’ The model allows the estimation of intermediate particle size values from common texture data. Using equivalent inputs, this new modeling approach was checked using soil data and shown to provide greatly improved results in comparison to the selfsimilar model for soil PSD data. The Kolmogorov-Smirnov D-statistic for the log-selfsimilar model was smaller than the selfsimilar model in 92.94% of cases. The average error was 0.74 times that of the selfsimilar model. The proposed method allows measurement of a heterogeneity index, H, defined using Hölder exponents, which facilitates quantitative characterization of soil textural classes. The average H value ranged from 0.381 for silt texture to 0.838 for sandy loam texture, with a variance of <0.034 for all textural classes. The index can also be used to distinguish textures within the same textural class. These results strongly suggest that the model and its parameters might be useful in estimating other soil physical properties and in developing new soil PSD pedotransfer functions. This modeling approach, along with its potential applications, might be extended to fine-grained mineral and material studies.
This chapter analyses global value chains. First, we explain how globalisation leads to fragmentation of production and dispersion of activities. Global value chains consist of nodes, where each node represents the value added received from the previous node. Countries can now specialise in activities and functions – nodes of the global value chain – rather than in the whole production of certain goods. Second, we discuss how to measure global value chains, which is challenging. Recent efforts allow us to estimate so-called forward- and backward linkages. Third, we provide a framework to map the governance configuration of global value chains based on the complexity of the knowledge to be exchanged in a transaction, the ease of codifying information about the transaction, and the capability of the supplier with respect to the specificities of the transaction. Fourth, we describe some possible sources of inefficiencies in global value chains (taxation, rent-seeking, contracts and trade costs).
We provide an introduction to the world economy. World population levels have risen drastically since 1800, in conjunction with (per capita) income levels. Economic leadership regularly shifts from one country to another. Rich countries are usually well connected in terms of international trade, contacts, investments, migration and capital flows. Historians have identified two big ‘waves’ of economic globalisation: at the end of the nineteenth century and after World War II. These episodes show decreases in international price gaps and increases in relative international trade- and capital flows. The ‘fragmentation’ process, in which different parts of goods are provided in different nations before they are combined in final goods, is a relatively new phenomenon. The most recent wave of globalisation is slowing down at the moment (slowbalisation), but it remains to be seen how much the backlash against globalisation will affect trade- and cross-border investment in the years to come.
This chapter offers an analysis of the challenges for governments and the private sector in cybersecurity governance from a systemic perspective. It first identifies the challenges that the liberal international order, characterised by political liberalism, economic openness, and international cooperation, has faced in the area of cybersecurity governance. It also observes that there have so far been no successful global efforts to harmonise rules or create a unified regime. This chapter then emphasises how the private sector’s essential role as innovators possessing technological expertise is unique to cybergovernance and explains how the interplay of different actors, both public and private, has practical meaning for states and actors.
Processes of random tessellations of the Euclidean space $\mathbb{R}^d$, $d\geq 1$, are considered that are generated by subsequent division of their cells. Such processes are characterized by the laws of the life times of the cells until their division and by the laws for the random hyperplanes that divide the cells at the end of their life times. The STIT (STable with respect to ITerations) tessellation processes are a reference model. In the present paper a generalization concerning the life time distributions is introduced, a sufficient condition for the existence of such cell division tessellation processes is provided, and a construction is described. In particular, for the case that the random dividing hyperplanes have a Mondrian distribution—which means that all cells of the tessellations are cuboids—it is shown that the intrinsic volumes, except the Euler characteristic, can be used as the parameter for the exponential life time distribution of the cells.
Eurasian watermilfoil (Myriophyllum spicatum L.) is an aquatic vascular plant that forms extensive dense beds in lakes. This invader competes with native plants, interferes with aquatic activities, and decreases riparian property values. In Canada, the use of aquatic herbicides is highly restricted. Environmental managers must therefore rely on physical methods such as hand pulling or benthic matting for control. Although these methods are not new, there has been little scientific investigation regarding their effectiveness and cost over multiple years. Benthic matting and hand pulling were used in Lac des Abénaquis (area: 1.2 km2) to control 3.6 ha of M. spicatum beds. Initiated by citizens in 2016, control procedures were scientifically studied in 2020 and 2021. Benthic fiberglass mats were deployed on dense M. spicatum patches for 10 wk. Isolated plants and patches <100 m2 were hand pulled by divers, and the harvested material surfaced via a suction hose or in hand-filled bags. By August 2021, all the M. spicatum patches had been eliminated, and only 560 widely scattered plants remained. Over the last 2 yr of control, hand pulling required 243 person-hours and removed 2,245 kg of biomass. The biomass brought to the surface was 2.4 times higher per person-hour with the suction system than with bags. The use of 1,000 m2 of benthic mats required 47 to 51 person-hours per summer season, including installation, removal, and maintenance. Intensive management (years 1 to 5) using benthic mats and hand pulling cost an estimated Can$185,000 (US$140,000) ha−1 of M. spicatum bed. Hand pulling of scattered individuals (years 6+), estimated at Can$20,000 (US$15,000) per summer, is essential to avoid reinfestation. An invasion of M. spicatum can successfully be managed in small lakes without herbicides, but control remains a costly and long-term endeavor.
Interorganizational coordination is increasingly viewed as crucial to frontline crisis response. Contemporary crises often require the collective action of multiple organizations. Many researchers recommend integrating frontline responders of diverse organizations to make good use of scarce resources and synchronize their actions. In practice, frontline responders frequently choose fragmentation by dividing responsibilities and limiting interactions instead. This allows them to implement a fast response without being dependent on others. At the same time, it can lead to safety risks and suboptimal outcomes. Frontline responders face a dilemma, because they have an interest in pursuing both integration and fragmentation. It is useful to note that coordination may not always be the right course of action in a crisis. Even if it is, it does not necessarily need to be formal, as much coordination emerges in the operational field. For more structured ways of coordinating, the nature of the crisis and existing interorganizational relations are useful guides in how to organize the coordination. Generally, it must be conditional upon the situation at hand.