The Educational Values of Trees and Forests - CNR Home
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The Educational Values of Trees and Forests - CNR Home
The Educational Values of Trees and Forests Terry L. Sharik Departments of Wildland Resources and Environment and Society College of Natural Resources Utah State University Logan, UT 84322-5215 February, 2009 T. L. Sharik Mar 2009 1 Context When we think about the benefits provided by trees and forests, we tend not to think about how they contribute to enhanced learning ability, despite the mounting evidence (MEA 2005). T. L. Sharik Mar 2009 2 Linkages between ecosystem services and human well-being (MEA 2005). T. L. Sharik Mar 2009 3 Conceptual framework of interactions between biodiversity, ecosystem services, human well-being, and drivers of change (MEA 2005). S T. L. Sharik Mar 2009 4 Provisioning Services Products obtained • • • • • • • Food Fiber Fuel Genetic resources Biochemicals, natural medicines, pharmaceuticals Ornamental resources Fresh water T. L. Sharik Mar 2009 5 Regulating Services Regulation of ecosystem processes • • • • • • • • • Air quality regulation Climate regulation Water regulation Erosion regulation Water purification Disease regulation Pest regulation Pollination Natural Hazard Regulation T. L. Sharik Mar 2009 6 Supporting Services Necessary for the production of all other services • • • • • Soil formation Photosynthesis Primary production Nutrient cycling Water cycling T. L. Sharik Mar 2009 7 Cultural Services Non-material benefits • • • • • • • • • • Cultural diversity Spiritual and religious values Knowledge systems Educational values Inspiration Aesthetic values Social relations Sense of place Cultural heritage values Recreation and ecotourism T. L. Sharik Mar 2009 8 Objective To review the literature on this topic with the intent of stimulating further research on the educational values of trees and forests, and fostering the application of this knowledge in the learning environment relative to natural resource/ecosystem management. T. L. Sharik Mar 2009 9 Approach • Complexities of the learning process • Links of this process to nature, including ways of interacting with nature • Role of trees and forests • Conclusions T. L. Sharik Mar 2009 10 COMPLEXITIES OF THE LEARNING PROCESS T. L. Sharik Mar 2009 11 • • • • • • • • • Molecular Neural Reflex Perceptual Physiological Learning/Memory Emotional Cognitive Symbolic E nv i r o n m e n t E c o s ys t e m s Mediating Systems in Human Behavior (modified from Rue 2005) T. L. Sharik Mar 2009 12 Learning/Memory Systems (Rue 2005) • Experiential promotion of changes in neural structures that conserve the effects of experience across time. • Virtually all higher behavioral functions depend on neural systems modulated by learning. – – – – – – – – – Object recognition Concept formation Emotional experience Anticipation Planning Problem-solving Comparing and contrasting Decision-making Language use T. L. Sharik Mar 2009 13 Three Major Modes of Learning (Kellert 2002) 1. Affective or Emotional – Focuses on the formation of emotional and feeling capacities. – Typically precedes cognition or intellect as a basis for maturation and learning. 2. Cognitive or Intellectual – Stresses the formation of thinking and problem-solving skills. 3. Evaluative – Emphasizes the creation of values, beliefs, and moral perspectives. – Emerges from a synthesis of affective and cognitive perceptions and understandings. Additional References: Iozzi 1989a, 1989b T. L. Sharik Mar 2009 14 Three Major Modes of Learning (Kellert 2002) 1. Affective or Emotional 2. Cognitive or Intellectual 3. Evaluative Additional References: Iozzi 1989a, 1989b T. L. Sharik Mar 2009 15 Emotional Systems (Rue 2005) A temporary subjective feeling that arises during the process of determining the narrative meaning of an event, i.e. during a period of cognitive appraisal. T. L. Sharik Mar 2009 16 Emotional Systems (Rue 2005) PRIMARY Presuppose minimal self-concept fear disgust anger desire happiness sadness TERTIARY SECONDARY interest anxiety frustration/ consternation affection gratitude sympathy resentment contempt Presuppose explicit self-concept hatred outrage shame guilt envy jealousy pride grief resignation admiration wonder compassion alienation humility amusement love? agape "aesthetic emotions" hope nostalgia fago (Ifalukia) Laiya (India and Nepal) "religious emotions" T. L. Sharik Mar 2009 17 Affective or Emotional Mode Kellert (2002) • There is some evidence that contact with the natural world, especially during middle childhood (ages 6-12), is important in a person’s emotional responsiveness and receptivity. • Seems to be due to its “dynamic, varied, often unique, surprising, and adventurous character.” • Elicits such responses as satisfaction, delight, joy, excitement, and curiosity. References: Cornell 1977, Cobb 1977, Kellert 1985, Kellert 1996, Derr 2001, Ratanopojnard 2001, Sabal 1993 T. L. Sharik Mar 2009 18 Affective or Emotional Mode Kellert (2002) • Interactions with natural settings reduce stress or elicit positive feelings and thereby enhance cognitive functioning, creativity, and performance, especially regarding higher order tasks. References: Olmsted 1865, Kaplan and Talbot 1983, Isen et al. 1985, Kaplan and Kaplan 1989, Isen 1990, Hartig et al. 1991, Ulrich et al. 1991a, Ulrich 1993, Kaplan 1995, Wells 2000, Wells and Evans 2003, Am. Institutes for Research 2005 T. L. Sharik Mar 2009 19 Affective or Emotional Mode Kellert (2002) • Attention Restoration Theory has been utilized to explain the restorative aspects of contact with nature following a period of directed or forced, focused attention and associated mental fatigue (Kaplan 1995). • There is both psychological and physiological evidence for the restorative value of nature. • Results in cognitive clarity and reflection, thereby enhancing creativity. Additional References: Ulrich 1981, Ulrich and Simmons 1986, Ulrich et al. 1991b, Chang and Pergn 1998, Chang and Uan 1999, Hartig et al. 2003, Hammitt 2007, Chang et al. 2008. T. L. Sharik Mar 2009 20 Three Major Modes of Learning (Kellert 2002) 1. Affective or Emotional 2. Cognitive or Intellectual 3. Evaluative Additional References: Iozzi 1989a, 1989b T. L. Sharik Mar 2009 21 Cognitive Systems (Rue 2005) • Internal representations of external affairs • Ability to assimilate a diversity of information and process it in new ways • Performing a wide range of operations on a wide range of mental objects (including perceptions, memory images, and concepts) • Process of: – Encoding information representing the external world and the organism’s vital interests – Integrating these two forms of information to devise appropriate behaviors • Operators on mental objects include: – Reality (facts) – Valance (values) – Executive (outcomes) T. L. Sharik Mar 2009 22 Cognitive or Intellectual Mode Kellert (2002) • Evidence that experiential contact with nature can have a positive impact on cognitive development comes from a number of sources. • Bloom et al.’s (1956) taxonomy of cognition has been used to frame this relationship (Table 2). Additional References: Altman and Wohwill 1978, Ulrich 1993, Kahn 1999, Ratanapojnard 2001, Kellert 1997, Kellert 2002, Burdette and Whitaker 2005, Taylor and Kew 2006 T. L. Sharik Mar 2009 23 Cognitive or Intellectual Mode Name of Cognitive Ability Definition Enhancing Activity in Nature Knowledge Acquisition Assembling facts and figures Identifying and classifying various aspects of the natural world Comprehension Interpreting and understanding empirical realities Translating specific knowledge of nature into categories of related functions and processes Application Putting knowledge to use Distinguishing one in various situations environmental feature from another T. L. Sharik Mar 2009 24 Cognitive or Intellectual Mode Name of Cognitive Ability Definition Enhancing Activity in Nature Analysis Teasing apart elements or patterns nested within an overall structure Dissecting elements in nature Synthesis Integrating distinctive elements into an overall whole Integrating elements and processes in nature Evaluation Discerning worth and importance Judging the relative significance of particular aspects of the natural world T. L. Sharik Mar 2009 25 Cognitive or Intellectual Mode • Borrowing from the work of Mednick (1962), it has been argued that higher order cognitive functioning, which involves integration or association of diverse and seemingly unrelated information or concepts in novel ways, is likely enhanced by exposure to nature (Ulrich 1993). T. L. Sharik Mar 2009 26 Three Major Modes of Learning (Kellert 2002) 1. Affective or Emotional 2. Cognitive or Intellectual 3. Evaluative Additional References: Iozzi 1989a, 1989b T. L. Sharik Mar 2009 27 Evaluative Mode • Kellert (1996) formulated nine values of the natural world that contribute significantly to human well-being (Table 3). T. L. Sharik Mar 2009 28 Stage of Prominent Development (yrs.)* Name of Value Definition of Value Dominionistic Urge to master and control nature Safety and protection; independence and autonomy; the urge to explore and confront the unknown; and willingness to take risks, be resourceful, and show courage 3-6 Negativistic Avoidance, fear, and rejection of nature Avoiding harm and injury; minimizing risk and uncertainty; and respect and awe for nature through recognizing its power to humble and destroy 3-6 Benefits *The three age classes correspond to early, middle, and late (adolescent) childhood, respectively. T. L. Sharik Mar 2009 29 Stage of Prominent Development (yrs.)* Name of Value Definition of Value Utilitarian Material and commodity attraction of the natural world Physical and material 3-6 security; self-confidence and self-esteem through demonstrating craft and skill in nature; and recognition of human physical dependence on natural systems and processes Aesthetic Physical attraction and appeal of nature Perceiving order and organization; developing ideas of harmony, balance, and symmetry; and evoking and stimulating curiosity, imagination, and discovery Benefits 6-12 T. L. Sharik Mar 2009 30 Stage of Prominent Development (yrs.)* Name of Value Definition of Value Humanistic Strong affection and emotional attachment to nature Developing intimacy, companionship, trust, and capacities for social relationship and affiliation; and enhancing self-confidence and self-esteem through giving, receiving, and sharing affection 6-12 Symbolic Nature’s role in shaping and assisting human communication and thought Classifying and labeling abilities; language acquisition and counting; resolution of difficult aspects of psychosocial development through story and fantasy; and enhanced communication and discourse through the use of imagery and symbol 6-12 Benefits T. L. Sharik Mar 2009 31 Stage of Prominent Development (yrs.)* Name of Value Definition of Value Scientific Empirical and systematic study and understanding of nature Intellectual competence; critical thinking; problem-solving abilities; enhanced capacities for empirical observation and analysis; and respect and appreciation for natural process and diversity Moralistic Ethical and spiritual affinity for nature 13-17 Sense of underlying meaning, order, and purpose; the inclination to protect and treat nature with kindness and respect; and enhanced sociability from shared moral and spiritual conviction Benefits 6-12, 13-17 T. L. Sharik Mar 2009 32 Name of Value Definition of Value Naturalistic Desire for close contact and immersion in nature Benefits Stage of Prominent Development (yrs.)* Inclination for exploration, 13-17 discovery, curiosity, inquisitiveness, and imagination; enhanced selfconfidence and self-esteem by demonstrating competence and adaptability in nature; and greater calm and coping capacities through heightened temporal awareness and spatial involvement T. L. Sharik Mar 2009 33 Most Important Values to Learning Those that contribute most strongly to the development of learning skills include the aesthetic, naturalistic, and scientific, and to a lesser extent the symbolic − the latter mostly through the development of language skills. T. L. Sharik Mar 2009 34 Multiple Intelligences (Gardner 1999) • • • • • • • • Linguistic Logical-mathematical Spatial Bodily-kinesthetic Musical intelligence Interpersonal Intrapersonal Naturalist T. L. Sharik Mar 2009 35 Importance of Naturalist Perspective Gardner’s (1999) inclusion of naturalist intelligence among the eight multiple intelligences he formulated to represent the entire spectrum of human cognition lends support to the importance of the naturalist perspective as a fundamental way of learning. T. L. Sharik Mar 2009 36 WAYS OF INTERACTING WITH NATURE CAN MAKE A DIFFERENCE T. L. Sharik Mar 2009 37 Three ways in which (young) people’s experience of nature occurs (Kellert 1996, 2005) • Direct – Actual physical contact with nature in a spontaneous and unstructured way, including play • Indirect – Actual physical contact with nature, but more structured and planned. e.g., zoos, arboreta, botanical gardens, science museums, and nature centers; contacts with domesticated plants and animals; [outdoor lab instruction ? (TLS)] • Vicarious or symbolic – – Representations or depicted scenes of nature Principally through the mass media (classroom? TLS) T. L. Sharik Mar 2009 38 Direct Experience of Nature • Considerable conceptual and empirical support for the argument that direct experience of nature plays a significant role in affective, cognitive, and evaluative development in humans that is not replaced by indirect and vicarious experiences, which are on the rise. • Attributed to diversity and variability in space and time of the natural world, together with its unpredictiveness and challenges. References: Searles 1959, Kaplan and Talbot 1983, Moore 1986, Kaplan and Kaplan 1989, Sebba 1991, Pyle 1993, Sobel 1993, Nabhan and Trible 1994, Kellert 1996, Kellert 2005, Burdette and Walker 2005 T. L. Sharik Mar 2009 39 Reduced Contact with Nature Considerable evidence that children (and adults) are spending increasingly less and less time experiencing high quality natural environments. –Due to a number of factors, including habitat destruction, species loss, environmental contamination, natural resource depletion, urban sprawl, human population growth, “videophilia,” and fear of violence. References: Barney et al. 1980, Wilcox et al. 1991, Groombridge 1992, Wilson 1992, Myers 1994, Heywood 1995, Savage 1995, Kellert 2002, Pergams and Zaradic 2008 T. L. Sharik Mar 2009 40 Reduced Contact with Nature Parental concern for the health and safety of their children, in turn related to increased violence in our society, real and imagined, is an increasingly important factor. T. L. Sharik Mar 2009 41 Nature-Deficit Disorder • Louv (2005) labeled the health syndrome associated with this diminished experience of nature in children today as “nature-deficit disorder” as a way of creating heightened awareness of the problem. • Has had a major impact on the development of impending federal legislation on “no child left inside.” Additional References: Clements 2004, Karstan 2005, Farmer 2005, Veitch et al. 2006, Jackson and Tester 2008 T. L. Sharik Mar 2009 42 Nearby Nature • Key point concerning children’s direct contact with nature is that it be ongoing and highly accessible, which in turn implies that it be “nearby.” • Has important implications for regional and urban planning. References: Quantz 1897, Kaplan and Kaplan 1989, Sobel 1993, Kaplan et al. 1998, Wells 2000, Kellert 2002, Taylor et al. 2002, Wells and Evans 2003, Bell and Dyment 2006 T. L. Sharik Mar 2009 43 CONTRIBUTIONS OF TREES AND FORESTS TO LEARNING T. L. Sharik Mar 2009 44 Dendro-Psychoses • The first scholarly treatment of the origins of the fundamental relationship between trees and people was that of the psychologist J. O. Quantz (1897). – Created the term “dendro-psychoses” to represent this relationship. – Provided several lines of biological and psychological evidence of an adaptive nature to support the argument that the earliest humans dwelled in trees. – Examples of psychological evidence included the fear of wild animals, thunder and lightning, high winds, and falling; “hide and seek” games; rocking babies to sleep. T. L. Sharik Mar 2009 45 A Central Role • • • • • • There is considerable evidence that trees have played a central role in everyday life throughout human history, including: Source of food and shade Safe sleeping and eating places Vantage points for surveying the landscape Escape from predators Provision of shelter, weapons, tools, and medicine Inspiration (TLS) References: Bourliere 1963, Lee 1979, Isaac 1983, Shipman 1986, Heerwagen and Orians (1993). T. L. Sharik Mar 2009 46 Perception Process of attaining awareness or understanding of sensory information (Wickipedia 2008) Information enhancers integrate active sense data with memory to produce a coherent perception (Rue 2005) T. L. Sharik Mar 2009 47 Tree Forms A B C T. L. Sharik Mar 2009 48 Tree Forms A B C D E Reference: Sommer and Summit 1996 T. L. Sharik Mar 2009 49 Tree Forms Orians (1980) hypothesized that tree forms that were most important in the survival of early humans in African savannas should be most preferred by humans today from the standpoint of aesthetics. – Referred specifically to the “acacia” form, with canopies broader than tall, trunks terminating and branching considerably below half the height of the tree, small leaves, and layered branching. – Argued that such trees are easy to climb and their canopies offered greater protection from sun or rain. – Hypothesis was tested on preferences of Americans for trees cultivated in Japanese gardens and for various dimensions of the dominant East African tree, Acacia tortilis. • Hypothesis was not rejected. Additional References: Orians 1986, Heerwagen and Orians 1993 T. L. Sharik Mar 2009 50 Acacia Tree Form Preference for the acacia tree form over other tree forms was subsequently investigated by utilizing college students from all major continents except Antarctica. References: Sommer and Summit 1996, Sommer 1997 T. L. Sharik Mar 2009 51 Tree Forms eucalyptus oak conifer palm acacia Reference: Sommer and Summit 1996 T. L. Sharik Mar 2009 52 Tree Forms Sommer and Summint (1996) T. L. Sharik Mar 2009 53 Acacia Tree Form – In all cases, students preferred the acacia form over other forms (eucalyptus, oak, conifer, and palm). – Moreover, they tended to prefer the most common tree experienced in their respective childhoods more so than students who grew up with other tree forms as most common, indicating that experience also shapes one’s preferences of tree form. T. L. Sharik Mar 2009 54 LANDSCAPE-LEVEL PREFERENCES T. L. Sharik Mar 2009 55 Landscape-Level Preferences A C B D E T. L. Sharik Mar 2009 56 Landscape-Level Preferences • At the stand or landscape level, the evidence suggests that people prefer natural environments over built environments and savanna-type natural environments over other natural environments (Ulrich 1986, Kahn 1999). T. L. Sharik Mar 2009 57 Landscape-Level Preferences Balling, Falk. Mean Preference Scores for Each Biome as a Function of Age Group (1982). Balling, Falk. Mean Preference Scores for Each Biome Under Both “Live” and “Visit” Instructions (1982). T. L. Sharik Mar 2009 58 Landscape-Level Preferences (Balling and Falk 1982) – Young children (age 8-11 years) from the eastern U.S. preferred East African savannas over mixed hardwood forest (their home environment), boreal forest, rain forest, and desert, while older children showed an equal preference for savannas and mixed hardwood forest. – Suggests the influence of both genetics and environment (familiarity) in such preferences. T. L. Sharik Mar 2009 59 Savanna-like Environments • Preference for the savanna-like environment seems to be the result of being able to acquire new information (mystery) without becoming disoriented or lost (legibility). References: Kaplan and Kaplan 1989, Kaplan 1992 T. L. Sharik Mar 2009 60 Savanna-like Environments • May help explain the appeal for closed-canopy forest stands that have been thinned or for urban or suburban open spaces that are planted with scattered trees in a grassy matrix, i.e., are park-like. T. L. Sharik Mar 2009 61 Savanna-like Environments • May also help explain the tendency of European settlers in North America to open up forested landscapes and plant trees in prairie landscapes. (Orians 1980) T. L. Sharik Mar 2009 62 Ecological vs. Scenic Aesthetics (Gobster 1999) ECOLOGICAL “…preference for maintaining and restoring the ecological structure and function of ecosystems and for preserving and enhancing the health and diversity of native species and ecological communities.” SCENIC “…a perceptual, affective reaction to the landscape: preference for ‘scenic beauty’ or ‘visual quality’.” T. L. Sharik Mar 2009 63 Ecological vs. Scenic Aesthetics (Gobster 1999) • Fire • Dead and down wood • Forest fragmentation T. L. Sharik Mar 2009 64 CONCLUSIONS T. L. Sharik Mar 2009 65 Conclusions • The development of learning skills, especially in children, and the realization of creativity and productivity in adults, seem to be enhanced significantly by direct and informal contact on a regular basis with natural settings, especially those that are savanna- or park-like. • These findings may have important implications for the teaching and learning process in our society. • In particular, the notion of less structured and more emotions- or value-laden environments for learning seem to run counter to traditional institutional approaches. T. L. Sharik Mar 2009 66 Conclusions • Visual preferences for trees and forests may reflect adaptive behaviors in the early evolution of humans and conflict with the development of an ecological aesthetic, which may seem “counter-instinctive” or “counter-intuitive.” – Can learning/education remove this disconnect? (“education of the emotions”) – The theory of visible stewardship (Sheppard 2001), which emphasizes caring for and attachment to a particular landscape, suggests it will be challenging. T. L. Sharik Mar 2009 67 Conclusions • It is natural that we should learn from nature. T. L. Sharik Mar 2009 68 Contact Information [email protected] T. L. Sharik Mar 2009 69 Pertinent References Altman, I. and J. Wohlwill (eds.). 1978. Children and the environment. Plenum Press: NewYork. American Institutes for Research. 2005. Effects of outdoor education programs for children in California. American Institutes for Research: Palo Alto, CA. Appleton, J. 1990. The symbolism of habitat. University of Washington Press: Seattle. Balling, J. D. and J. H. Falk. 1982. The development of visual preference for natural environments. Environment and Behavior 14: 5-28. Barkow, J., L. Cosmides, and J. Tooby (eds.). 1992. The adapted mind: Evolutionary psychology and the generation of culture. 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