1 Tropical Rainforest Ecosystem, Land Cover, Habitat, Resource 1.1 Tropical Rainforest: Myths, parts taking over, or to repair them by auto- Delusions and Reality restoration. The brain and the TRF both conform to the Humboldt’s Amazonian con- One of the great human myths, which has cept of unity in diversity, patterned by eter- proved to be true, says that mankind took its nal and universal natural laws (Humboldt, first steps on the branches of the “world tree”, 1847). Silviculturally-experienced foresters concretely on the branches in the crowns of know that the variability and variation of the tropical rainforest trees. The left-behind quality and quantity of interactions between brothers, the apes, will remain there as long individual tree plants of the same or different as the tropical rainforest (TRF) habitat exists species, or between temporarily passing eco- and effective habitant protection is in place. units (sensu Oldemann, 1990), depend on TRF is a stimulating environment for a human the variations of climatic and biotic factors. generalist’s brain to develop and achieve the Added are fleeting correlations and elusive stages of diversity of functions, sophistica- interactions between organisms, such as tion and independence of decision which are the effects of the hypothetical induction necessary to venture successfully into the (Spemann, 1935; Mangold, 1982). The result is risky environment of the savannah. In the the great diversity and variation of states and TRF, the turbulent climate of the Pleistocene processes, and the high levels of uncertainty offered ample opportunities and needs for of the future in the TRF ecosystems, and in phenotypic and genotypic differentiation forests and forestry generally. In stark con- among plants and animals, and no doubt will trast to these natural-law bound natural sys- have stimulated the emergence of homo spp. tems, anthropogenic financial, economic and The many obvious similarities in structural social/political systems operate according and functional aspects between the human to artificial, arbitrarily changeable and dis- brain and the TRF may be accidental, but posable rules, regulations, laws, whims and they are astounding, not surprising, and are fashions. The anthropogenic systems do not practical. The human brain and the TRF are possess the potential of responsive auto- similarly complex, in manifold ways di- restoration or dynamic auto-diversification, versely reacting dynamic systems; both are and possess inadequate antifragility potentials. robust, elastic, resilient, resistant with anti- Strategies must be narrowly goal-focused, but fragility potential to emerge even from chaos should still be system-sustainable, and need and to compensate damaged parts by other to be supported and implemented. To operate © E.F. Bruenig 2017. Conservation and Management of Tropical Rainforests, 2nd Edition: An Integrated Approach to Sustainability (E.F. Bruenig) 1 2 Chapter 1 these systems, ingenuity, expertise and In my opinion, all these strong climatic, free will are required, but also the gift of tectonic and geomorphological dynamics deception to manipulate in order to achieve which characterise the historic scenarios set goals. The book does not include open through which the TRF progressed to its woodlands, seashore vegetation and man- present state should have made the TRF eco- grove, and only a brief comment on planta- system dynamic, robust, resilient, resistant, tion forests. For information on mangrove, elastic, adaptable and an opportunistic and please refer to the comprehensive descrip- aggressive coloniser of newly available sites, tion by Spalding et al. (2010). The history such as land emerging from the sea when of the TRF, as we know it, began when the sea levels fell, or when volcanic activity angiosperms evolved and became trees to pushed up fresh parent material, as in the form forests during the Cretaceous period case of the Krakatao islands. TRF had to sur- (136–65 × 106 a BC) and successfully com- vive under the regimen of extrinsic stochas- peted in the struggle for dominance during tic and unpredictably interacting causal the largely tropical, but not tranquil Ter- factors. This required the creation of an in- tiary period (65–2 × 106 a BC). During the trinsic regulating network of interacting pro- Plio/Pleistocene epochs (7–0.01 × 106 a BC) cesses within a structure and physiognomy the territory which the TRF flora and fauna of the forest ecosystems which can stand up could occupy shrank and expanded in the elastically or repair effectively if damage oc- rhythm of dramatic tectonic shifts, rises curs. All this has to happen within the frame- and falls of sea level, volcanic activities, work of basic natural laws which, as far as fluctuation of air temperature with wide we know or surmise, originated in the Big amplitudes and longer cold and shorter Bang, apply universally and are unchange- warm spells. These Pleistocene (2–0.01 × able. Such a situation requires and creates 106 a BC) conditions continued into the stamina in all species of fauna, flora and Holocene or Recent epoch (since 0.01 × 106 microorganisms, and possibly the ability to a BC to today). At present, we live in one of adapt by acquiring new traits, which may the short periods with warmer temperat- even be saved as added codes in the genome. ures. A very readable and sound review of The ecosystem needs adequate resistance, these climatic oscillations and their bio- elasticity and resilience, and the ability to geographic significance in the TRF of the adapt, restore and rehabilitate if damage has Sunda region is given by Cannon et al. occurred. It is most improbable that the (2009), Wurster et al. (2010) and Pembrook most exacting and demanding, by no means (personal communication, 2012)1,2. They tranquillity-promoting conditions through- provide a general overview of conditions out the Cainozoic era (Tertiary 65–2 x106 a, and detailed insights into processes of the Quaternary 2 × 106 a to present) would re- environmental history of the rainforest sult in the evolution of a TRF which is fra- during the Plio/Pleistocene epochs, bring gile; vulnerable to any kind of extrinsic the oscillating Pleistocene climate to life impact or disturbance, especially by man; is and explain the consequences for fauna given to cascading into collapse; has no and flora. Understanding the historic pro- power of resilience and elasticity; no cap- cesses of the oscillations and sometimes acity for self-repair of damaged compart- catastrophic changes of the climate; the ments; and on any interference by humans physiographic changes of the land sur- loses its spurious “integrity” and “biodiver- faces; and the ecological relevance of re- sity”. The extraordinary similarities in many sponses by wildlife, plants and vegetation of these aspects between the human brain is a precondition for developing suitable and the TRF, and the recent changes of sci- management and conservation systems for entific knowledge about it among brain re- the present TRF, and feasible concepts and searchers, as a similarly complex dynamic rational strategies to strengthen the pro- system add to the argument and should spect of attaining survival and sustainabil- have opened our eyes to the fact that the ity of life on earth in the distant future. TRF is indeed robust, elastic, resilient and Tropical Rainforest Ecosystem, Land Cover, Habitat, Resource 3 resistant, and can compensate for damage, is highly vulnerable, however, is unconvin- but also that it can be destroyed beyond re- cing. The opposite conclusion, that it is as pair. Auto-restoration in both TRF and brain natural ecosystem and against natural forces occurs according to the eternal primeval robust, appears more realistic and convin- natural laws and the derived laws of correl- cing. But its species and the communities ations, which humans cannot change. It is a which form its diverse ecosystems are vul- crucial difference between natural (eco)sys- nerable to the point of extinction against the tems and (eco)systems created by man that brutal forces of destruction, rather than the anthropogenic financial, economic and traditional usufruct, created by the attitudes social/political systems operate according and lifestyles of modern and postmodern to rules and regulations invented by man, mankind. which can be changed or ignored (if one has Around 400,000 years BC a new factor the power to do so) at will. of perturbation and disturbance appeared. Cannon et al. (2009) studied the distri- Homo sapiens possessed and developed to bution of the TRF and the climatic and geo- perfection tools, hunting and fishing gear logical conditions during the last maximum and fire. Man was clearly no mere animal, glaciation of the Pleistocene in Sundaland, but a very distinct phenomenon. Among the and concluded that at the LGM (last glacial three unique gifts (Markl, 1986) man per- maximum), Sundaland rainforests covered fected first the extraordinary and unique gift a substantially larger area than currently of adaptive language, which made him dis- present. Extrapolation of the model over the tinct from animals. Animals communicate past million years demonstrates that the by sequences of monosyllabic, if emotion- current “island archipelago” setting in Sunda- ally charged, signals, supported by body land is extremely unusual given the majority gestures and facial expression. In body lan- of its history, and the dramatic biogeographic guage and audio-signals domestic dogs and, transitions caused by global deglaciation from my own experience, in the wild – gib- were rapid and brief. Compared with dom- bon and orang hutan – as well as, according inant glacial conditions, lowland forests were to what I read, other primate species, are probably reduced from approximately 1.3 absolute masters of audio-signal and body to 0.8 106 km2 while upland forests were language. However, to claim that they have probably reduced by half, from approxi- and use language is popularising research mately 2.0 to 1.0 105 km2.