In an increasingly globalized world with more and more distributed international supply chains, sustainability studies and policies need to consider socioeconomic and environmental interactions between distant places. Studies of the global biomass metabolism investigate physical flows between and within nature and human systems, thus providing a useful basis for understanding the interrelatedness of changes in one place with impacts elsewhere. Various methodological approaches exist for studying the human-nature metabolism and estimating the land embodied in international trade flows, a core element of assessing telecouplings in the global land system. The results of recent studies vary widely, lacking robustness and thus hampering their application in policy making. This article provides a structured overview and comparative evaluation of existing accounting methods and models for calculating land footprints. We identify differences in available accounting methods and indicate their shortcomings, which are mainly attributable to the product and supply chain coverage and detail, and biases introduced by the use of monetary flows as a proxy for actual physical flows. We suggest options for further development of global land footprint accounting methods, particularly highlighting the advantages of hybrid accounting approaches as a framework for robust and transparent assessments of the global displacement of land use.

Au Maroc, le système de la propriété est « pluraliste ». Il constitue des ensembles dans lesquels la loi foncière musulmane n’est ni la seule source, ni même la plus importante, elle est articulée à un fonds de coutumes d’origine préislamique, à la législation coloniale et post coloniale. Aucune de ces grandes sources du droit foncier qui se sont succédé dans l’histoire n’a fait disparaître les précédentes, mais aucune non plus ne s’est maintenue intégralement dans sa forme originelle. / The land system in Morocco is marked by the coexistence of two regimes. The first is atraditional one and has its origins in the Muslim law and local customs. The so-called modern"land registration system" was introduced in 1913 and originates in the Act Torrens Act ofAustralia following the name of its author Sir Robert Torrens "Registra" General of Australia.This modern law was intended to guarantee the right of ownership.The cohabitation and the amalgamation of the traditional and the modern law make it a richfield because of its originality and complexity.Thus, the land regime in Morocco presents an extraordinary diversity of statutes that havebeen established throughout the country's history and some of which do not provide thestability and necessary guarantees to undertake investments in the long term: Melk lands,collective lands, Guich lands, Habous lands, Crown lands and registered lands.This diversity and complexity of statuses present an obstacle to the development of thecountry.The direction of the current evolution suggests, in the near future, a unified and simplifiedland tenure.

abstract: The global increase in urbanization has raised questions about urban sustainability to which multiple research communities have entered. Those communities addressing interest in the urban heat island (UHI) effect and extreme temperatures include land system science, urban/landscape ecology, and urban climatology. General investigations of UHI have focused primarily on land surface and canopy layer air temperatures. The surface temperature is of prime importance to UHI studies because of its central rule in the surface energy balance, direct effects on air temperature, and outdoor thermal comfort. Focusing on the diurnal surface temperature variations in Phoenix, Arizona, especially on the cool (green space) island effect and the surface heat island effect, the dissertation develops three research papers that improve the integration among the abovementioned sub-fields. Specifically, these papers involve: (1) the quantification and modeling of the diurnal cooling benefits of green space; (2) the optimization of green space locations to reduce the surface heat island effect in daytime and nighttime; and, (3) an evaluation of the effects of vertical urban forms on land surface temperature using Google Street View. These works demonstrate that the pattern of new green spaces in central Phoenix could be optimized such that 96% of the maximum daytime and nighttime cooling benefits would be achieved, and that Google Street View data offers an alternative to other data, providing the vertical dimensions of land-cover for addressing surface temperature impacts, increasing the model accuracy over the use of horizontal land-cover data alone. Taken together, the dissertation points the way towards the integration of research directions to better understand the consequences of detailed land conditions on temperatures in urban areas, providing insights for urban designs to alleviate these extremes. / Dissertation/Thesis / Doctoral Dissertation Geography 2018

abstract: Humans have modified land systems for centuries in pursuit of a wide range of social and ecological benefits. Recent decades have seen an increase in the magnitude and scale of land system modification (e.g., the Anthropocene) but also a growing recognition and interest in generating land systems that balance environmental and human well-being. This dissertation focused on three case studies operating at distinctive spatial scales in which broad socio-economic or political-institutional drivers affected land systems, with consequences for the environmental conditions of that system. Employing a land system architecture (LSA) framework and using landscape metrics to quantify landscape composition and configuration from satellite imagery, each case linked these drivers to changes in LSA and environmental outcomes. The first paper of this dissertation found that divergent design intentions lead to unique trajectories for LSA, the urban heat island effect, and bird community at two urban riparian sites in the Phoenix metropolitan area. The second paper examined institutional shifts that occurred during Cuba’s “special period in time of peace” and found that the resulting land tenure changes both modified and maintained the LSA of the country, changing cropland but preserving forest land. The third paper found that globalized forces may be contributing to the homogenizing urban form of large, populous cities in China, India, and the United States—especially for the ten largest cities in each country—with implications for surface urban heat island intensity. Expanding knowledge on social drivers of land system and environmental change provides insights on designing landscapes that optimize for a range of social and ecological trade-offs. / Dissertation/Thesis / Doctoral Dissertation Geography 2020

abstract: The science community has made efforts for over a half century to address sustainable development, which gave birth to sustainability science at the turn of the twenty-first century. Along with the development of sustainability science during the past two decades, a landscape sustainability science (LSS) perspective has been emerging. As interests in LSS continue to grow rapidly, scholars are wondering what LSS is about and how LSS fits into sustainability science, while practitioners are asking how LSS actually contributes to sustainability in the real world. To help address these questions, this dissertation research aims to explore the currently underused problem-driven, diagnostic approach to enhancing landscape sustainability through an empirical example of urbanization-associated farmland loss (UAFL). Based mainly on multimethod analysis of bibliographic information, the dissertation explores conceptual issues such as how sustainability science differs from conventional sustainable development research, and how the past, present, and future research needs of LSS evolve. It also includes two empirical studies diagnosing the issue of urban expansion and the related food security concern in the context of China, and proposes a different problem framing for farmland preservation such that stakeholders can be more effectively mobilized. The most important findings are: (1) Sustainability science is not “old wine in a new bottle,” and in particular, is featured by its complex human-environment systems perspective and value-laden transdisciplinary perspective. (2) LSS has become a vibrant emerging field since 2004-2006 with over three-decade’s intellectual accumulation deeply rooted in landscape ecology, yet LSS has to further embrace the two featured perspectives of sustainability science and to conduct more problem-driven, diagnostic studies of concrete landscape-relevant sustainability concerns. (3) Farmland preservationists’ existing problem framing of UAFL is inappropriate for its invalid causal attribution (i.e., urban expansion is responsible for farmland loss; farmland loss is responsible for decreasing grain production; and decreasing grain production instead of increasing grain demand is responsible for grain self-insufficiency); the real problem with UAFL is social injustice due to collective action dilemma in preserving farmland for regional and global food sufficiency. The present research provides broad implications for landscape scientists, the sustainability research community, and UAFL stakeholders. / Dissertation/Thesis / Doctoral Dissertation Sustainability 2020

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從改革開放以來，三十年間中國土地系統歷經許多重大的變革，制度和法律在不同階段，對土地及其擁有者之間的關係有不同的定義和規範。自1980年中葉，尤其到了1990年末農村工業化和城市開發的加速，各種形式的建設用地 需求量迅速增加，農業用地遽然趨減。 目前中國城鄉建設用地總量為3.6億多畝，居世界第一，面對席捲而來的城市化和工業化，卻同時要堅決守住18億畝耕地紅線，嚴格控管城鄉建設用地規模總量，此用地供需間矛盾的關鍵在於，從計畫經濟時期迄今的土地制度，所引發的更大矛盾，致使農地轉非農地弊端叢生。 本論文以路徑依賴途徑，中國農地制度面和產權面，結合縱向歷史觀和橫向結構觀來進行研究，藉此達到以下目的：（一）根據歷年來農地產權變革和徵地制度變遷，觀察農地轉非農地的合法與非法交易。（二）探析農地轉非農地灰色市場形成原因，不僅釐清農村土地產權，也對行政體制進行分析，觀察土地流轉相關利益主體的博奕關係。 研究發現依照路徑依賴分析中國農地轉非農地的制度，中國土地初始制度選擇決定著其後制度發展與變遷的方向與動力，因此當中國舊有的制度面對與日遽增的土地需求，在徵地博奕過程中，作為當前農地產權制度的既得利益者，皆傾向於維持現有的農地制度，它們試圖維持現存的制度和秩序，竭力阻礙隨著市場經濟的腳步重新界定轉讓權，將土地市場納入符合公平、公開、競爭的商業機制。

O Brasil desde o período colonial caracteriza-se pela estrutura fundiária concentrada. Em decorrência disso, a partir da década de 30, leis e políticas que visam promover uma reforma agrária vêm sendo elaboradas até os dias atuais. Atualmente, funcionam no Brasil dois modelos de reforma agrária, um baseado em desapropriações de terras improdutivas (reforma agrária tradicional) e outro que se caracteriza pela aquisição de terras por meio do mercado (reforma agrária de mercado). Ambos os modelos têm como objetivos centrais desconcentrar a estrutura produtiva e assegurar o bem estar das famílias e dos trabalhadores que fazem uso da terra. Neste sentido, este trabalho teve por objetivo estimar os impactos no bem-estar das famílias beneficiadas pela reforma agrária de mercado no Brasil, especificamente o Programa Nacional de Crédito Fundiário, em sua linha de financiamento Consolidação da Agricultura Familiar que opera na região sul do Brasil. Os impactos foram estimados com uma amostra de tratamento (beneficiários) e controle (não beneficiários), em que os indivíduos foram entrevistados nos anos de 2007 (baseline) e 2010 (follow-up), configurando uma estrutura de dados longitudinais. Esta estrutura dos dados permitiu estimar os impactos do programa pelo método da dupla diferença. Métodos para verificar a presença e controlar os possíveis vieses amostrais (viés de seleção e viés de atrito) foram utilizados com a finalidade dar confiabilidade as estimativas e garantir que os impactos se devem a intervenção do programa. Os resultados mostraram impactos positivos e estatisticamente significantes para as variáveis de impacto renda familiar total, renda familiar total per capita e patrimônio total. O presente trabalho constatou, também, um aumento significativo na proporção das famílias beneficiadas pelo Programa que possuem casa própria após o período de tratamento do programa, mas a infraestrutura da moradia, em termos de acesso à rede coletora de esgoto, acesso à água e energia elétrica não mudou entre os períodos analisados. Neste sentido, há indícios que a linha de financiamento Consolidação da Agricultura Familiar na região Sul do Brasil gerou impactos positivos no bem-estar das famílias beneficiadas. / Since it was a colony, Brazil has presented a very concentrated land property structure. From the 30s on, laws and politics have been developed in order to promote an agrarian reform. In the present days, two alternative models of agrarian reform are being applied in Brazil expropriation of non-productive land (traditional model) and acquisition of land by means of the market (market-led agrarian reform). Both approaches seek to reduce land concentration and improve the welfare of families and farmers that use land as a productive factor. In this context, this work aimed at estimating the impact of Programa Nacional de Crédito Fundiário (a program of market based agrarian reform in Brazil) on the welfare of beneficiary families involved in the line of financing called Consolidação da Agricultura Familiar, which operates in the south region of Brazil. The impact of the program on beneficiary families was estimated based on the observation of a treatment and a control samples, from which data was collected in 2007 (baseline) and 2010 (follow up), constituting a longitudinal database. Such data structure allowed the estimation of impact through the double difference method. Sampling biases (selection and attrition) were controlled in order to avoid confounding effects and enhance internal validity of the results. The findings indicated positive and significant impacts on total family income, total per capita family income and total assets. Among beneficiaries, there was also a significant increase in the proportion of families that own their houses. Notwithstanding, no improvements in infrastructure conditions (sewage, water and electricity network access) were observed. In general terms, the findings indicate that the Programa Nacional de Crédito Fundiário in its line Consolidação da Agricultura Familiar in the South region of Brazil has generated positive impacts on the welfare of beneficiary families.

O Brasil desde o período colonial caracteriza-se pela estrutura fundiária concentrada. Em decorrência disso, a partir da década de 30, leis e políticas que visam promover uma reforma agrária vêm sendo elaboradas até os dias atuais. Atualmente, funcionam no Brasil dois modelos de reforma agrária, um baseado em desapropriações de terras improdutivas (reforma agrária tradicional) e outro que se caracteriza pela aquisição de terras por meio do mercado (reforma agrária de mercado). Ambos os modelos têm como objetivos centrais desconcentrar a estrutura produtiva e assegurar o bem estar das famílias e dos trabalhadores que fazem uso da terra. Neste sentido, este trabalho teve por objetivo estimar os impactos no bem-estar das famílias beneficiadas pela reforma agrária de mercado no Brasil, especificamente o Programa Nacional de Crédito Fundiário, em sua linha de financiamento Consolidação da Agricultura Familiar que opera na região sul do Brasil. Os impactos foram estimados com uma amostra de tratamento (beneficiários) e controle (não beneficiários), em que os indivíduos foram entrevistados nos anos de 2007 (baseline) e 2010 (follow-up), configurando uma estrutura de dados longitudinais. Esta estrutura dos dados permitiu estimar os impactos do programa pelo método da dupla diferença. Métodos para verificar a presença e controlar os possíveis vieses amostrais (viés de seleção e viés de atrito) foram utilizados com a finalidade dar confiabilidade as estimativas e garantir que os impactos se devem a intervenção do programa. Os resultados mostraram impactos positivos e estatisticamente significantes para as variáveis de impacto renda familiar total, renda familiar total per capita e patrimônio total. O presente trabalho constatou, também, um aumento significativo na proporção das famílias beneficiadas pelo Programa que possuem casa própria após o período de tratamento do programa, mas a infraestrutura da moradia, em termos de acesso à rede coletora de esgoto, acesso à água e energia elétrica não mudou entre os períodos analisados. Neste sentido, há indícios que a linha de financiamento Consolidação da Agricultura Familiar na região Sul do Brasil gerou impactos positivos no bem-estar das famílias beneficiadas. / Since it was a colony, Brazil has presented a very concentrated land property structure. From the 30s on, laws and politics have been developed in order to promote an agrarian reform. In the present days, two alternative models of agrarian reform are being applied in Brazil expropriation of non-productive land (traditional model) and acquisition of land by means of the market (market-led agrarian reform). Both approaches seek to reduce land concentration and improve the welfare of families and farmers that use land as a productive factor. In this context, this work aimed at estimating the impact of Programa Nacional de Crédito Fundiário (a program of market based agrarian reform in Brazil) on the welfare of beneficiary families involved in the line of financing called Consolidação da Agricultura Familiar, which operates in the south region of Brazil. The impact of the program on beneficiary families was estimated based on the observation of a treatment and a control samples, from which data was collected in 2007 (baseline) and 2010 (follow up), constituting a longitudinal database. Such data structure allowed the estimation of impact through the double difference method. Sampling biases (selection and attrition) were controlled in order to avoid confounding effects and enhance internal validity of the results. The findings indicated positive and significant impacts on total family income, total per capita family income and total assets. Among beneficiaries, there was also a significant increase in the proportion of families that own their houses. Notwithstanding, no improvements in infrastructure conditions (sewage, water and electricity network access) were observed. In general terms, the findings indicate that the Programa Nacional de Crédito Fundiário in its line Consolidação da Agricultura Familiar in the South region of Brazil has generated positive impacts on the welfare of beneficiary families.

Die Nutzung von terrestrischen Ökosystemen zur Befriedigung der Grundbedürfnisse der Menschheit hat tiefgreifende Auswirkungen auf das Erdsystem und führte zur Ausprägung von anthropogen dominierten Landsystemen. Diese sind von hoher Komplexität, da sie aus einer Vielzahl von unterschiedlichsten Einflussfaktoren angetriebenen Landnutzungsveränderungen hervorgegangen sind. Aktuelle Forderungen nach einer nachhaltigen zukünftigen Landnutzung erfordern ein fundiertes und integratives Verständnis dieser Komplexität. Das Hauptziel dieser Arbeit ist es, ein besseres Verständnis der raum-zeitlichen Muster und Determinanten des Landsystemwandels, insbesondere der Landnutzungsintensität, in Europa zwischen 1990 und 2010 zu erlangen. Europa ist ein interessantes Studiengebiet, da es jüngst starke Landnutzungsveränderungen erlebte und seine Heterogenität zu einer Vielfalt von Landsystemen und Landsystemveränderungen führte. Das Ziel der Arbeit wurde durch (i) die Kartierung von Intensitätsmustern und deren Veränderungen in Forst- und Agrarsystemen sowie der Ermittlung der dafür einflussreichsten räumlichen Determinanten und (ii) die Kartierung und Charakterisierung archetypischer Muster und Entwicklungsverläufe von Landsystemen untersucht. Die Ergebnisse dieser Arbeit zeigten einen deutlichen Ost-West-Unterschied in Landsystemmustern und -veränderungen in Europa, mit intensiv genutzten und intensivierenden Regionen vor allem in Westeuropa. Dennoch wurde Europa vor allem durch relativ stabile Landsystemmuster gekennzeichnet und (De-)Intensivierungstrends waren nur von untergeordneter Bedeutung. Intensitätsmuster und -veränderungen waren stark an Standortbedingungen gebunden, vor allem an edaphische, klimatische, und länderspezifische Besonderheiten. Diese Arbeit erweitert das Verständnis des Landsystemwandels in Europa und kann zur Entwicklung wissenschaftlicher und politikbezogener Maßnahmen sowie zur Erreichung einer nachhaltigeren Landnutzung in Europa beitragen. / The utilisation of terrestrial ecosystems to satisfy the basic needs of humankind has profound impacts on the Earth System and led to the development of human-dominated land systems. These are substantially complex as they evolved from a multitude of land-change pathways driven by a variety of influential factors. Current calls for a more sustainable future land-use require a sound and integrative understanding of this complexity. The main goal of this thesis is to better understand the spatio-temporal patterns and the determinants of land-system change in Europe between 1990 and 2010, especially with regard to land-use intensity. Europe serves as an interesting study region as it recently experienced a period of marked land-use change, and since its large environmental, political, and socio-economic heterogeneity resulted in a diversity of land systems and land-change pathways. Land-system changes in Europe were examined by (i) mapping patterns and changes in forestry and agricultural intensity and identifying the most influential spatial determinants related to these changes, and (ii) mapping and characterising archetypical patterns and trajectories of land systems considering both land-use extent and intensity indicators. Results revealed a distinct east-west divide in Europe’s land-system patterns and change trajectories, with intensively used and intensifying regions particularly located in Western Europe. However, Europe was mainly characterised by relatively stable land-systems patterns with (de-) intensification trends being only of minor importance. Land-use intensity levels and changes were strongly related to site conditions, especially with regard to soil and climate, as well as to country-specific characteristics. By fostering the understanding of land-system change, this thesis has the potential to contribute to scientific and policy-related actions that address current efforts to guide future land systems in Europe to a more sustainable use.