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Ideas in Ecology and Evolution最新文献

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Teaching Post-Secondary Students in Ecology and Evolution: Strategies for Early-Career Researchers 生态学与进化论的博士后教学:早期职业研究者的策略
IF 0.2 Pub Date : 2020-03-23 DOI: 10.24908/iee.2020.13.3.e
G. Raby, J. Chapman, R. Bruijn, E. Eliason, C. Elvidge, C. Hasler, C. Madliger, E. Nyboer, Andrea J. Reid, Dominique G. Roche, T. Rytwinski, T. Ward, Alexander D. M. Wilson, S. Cooke
Teaching can be a rewarding, yet challenging, experience for early career researchers (ECRs) in fields like ecology and evolution. Much of this challenge arises from the reality that ECRs in ecology and evolution typically receive little, if any, pedagogical training or advice on how to balance teaching, research (which can include extended field work), and other demands on their time. Here, we aim to provide accessible, pragmatic advice for ECRs in ecology and evolution who are given the opportunity to teach (as instructor of record). The advice is based on the authors’ collective experiences teaching in ecology and evolution as ECRs and is meant to help ECRs address two challenges: a) balancing the demands of teaching against one’s research, service, and personal life, and b) being effective in the classroom while doing so. The guidance we provide includes practical steps to take when teaching for the first time, including carefully refining the syllabus (course planning), adopting ‘non-traditional’ teaching methods, and taking advantage of free teaching resources. We also discuss a range of ‘soft skills’ to consider including guarding against imposter syndrome (i.e., self-doubt and fear of being exposed as a fraud), managing expectations, being empathetic, compassionate, authentic, and fostering an inclusive classroom. Lastly, we emphasize the need to focus on developing students’ critical thinking skills, integrating research and teaching where possible, and setting limits on class preparation time to maintain balance with your research and personal life. Collectively, we hope the examples provided herein offer a useful guide to ECRs new to teaching.
对于生态学和进化等领域的早期职业研究人员(ecr)来说,教学可能是一种有益但具有挑战性的经历。这一挑战很大程度上源于这样一个现实,即生态学和进化论领域的ecr通常很少(如果有的话)得到关于如何平衡教学、研究(可能包括扩展的实地工作)和其他时间需求的教学培训或建议。在这里,我们的目标是为生态学和进化论的ecr提供可访问的、实用的建议,他们有机会教书(作为记录讲师)。这些建议是基于作者作为ecr教授生态学和进化论的集体经验,旨在帮助ecr解决两个挑战:a)平衡教学需求与研究、服务和个人生活之间的关系,以及b)在课堂上有效地做到这一点。我们提供的指导包括在第一次教学时采取的实际步骤,包括仔细完善教学大纲(课程计划),采用“非传统”教学方法,以及利用免费教学资源。我们还讨论了一系列需要考虑的“软技能”,包括防范冒名顶替综合症(即,自我怀疑和害怕被暴露为骗子),管理期望,移情,富有同情心,真实,以及培养包容的课堂。最后,我们强调需要注重培养学生的批判性思维能力,尽可能将研究和教学结合起来,并限制课堂准备时间,以保持研究和个人生活的平衡。总的来说,我们希望这里提供的例子能给初涉教学的ecr提供有用的指导。
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引用次数: 1
Have we already tested the aquatic ape hypothesis? 我们已经检验了水生类人猿假说了吗?
IF 0.2 Pub Date : 2020-01-31 DOI: 10.24908/iee.2020.13.2.c
Y. Nakazawa
none
没有一个
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引用次数: 1
A paradigm for the evolution of human features: Apes trapped on barren volcanic islands 人类特征进化的范式:被困在贫瘠火山岛上的猿类
IF 0.2 Pub Date : 2020-01-31 DOI: 10.24908/iee.2020.13.1.n
A. Krill
The aquatic ape hypothesis for human evolution can account for all the traits that distinguish humans from chimpanzees. This scientific paradigm has been considered impossible. It would require that human ancestors maintained a semiaquatic lifestyle for millions of years, whereas hominin fossils indicate relatively dry terrestrial environments. Here I propose a marine aquatic evolution that is speculative, but compatible with all the fossil and genetic evidence. In this hypothesis, hominins evolved from chimpanzee-like apes that became stranded on proto-Bioko — new volcanic islands with no terrestrial foods available. The apes were forced to eat shellfish and seaweed. From wading in water on two legs to obtain food, their bodies evolved to become bipedal. Naked skin, blubber, and protruding noses were also aquatic adaptations. Brain-size increase resulted from marine fatty acid DHA. Some of these hominins escaped to mainland Africa and their bipedal descendants are recorded at the famous fossil sites. The volcanic islands grew and evolved into Bioko, and the hominins that remained there evolved into Homo sapiens. They gave up their marine diet and semiaquatic habitat after food became available on the evolving island. Then, during one of the low sea-level stands in the Pleistocene epoch, humans walked to the mainland on the emergent Bioko land bridge. Unlike earlier aquatic ape ideas, the Bioko scenario can be tested by DNA. If the human genome includes a retrovirus that is otherwise only found in endemic animals on Bioko, it would show that our ancestors came from there. Unfortunately, Bioko and west-central Africa are not interesting to traditional paleoanthropologists, because they do not contain fossils.
关于人类进化的水猿假说可以解释人类与黑猩猩之间的所有区别。这种科学范式一直被认为是不可能的。这需要人类祖先在数百万年的时间里保持半水生的生活方式,而古人类化石表明相对干燥的陆地环境。在这里,我提出了一种推测性的海洋水生进化,但与所有化石和遗传证据相一致。在这一假说中,人类是由被困在原始比奥科岛上的类似黑猩猩的类人猿进化而来的——比奥科岛是一个没有陆地食物的新火山岛。猿类被迫吃贝类和海藻。从用两条腿在水中涉水获取食物,它们的身体进化成了两足动物。裸露的皮肤、脂肪和突出的鼻子也是水生动物的适应性。海洋脂肪酸DHA导致脑容量增加。其中一些人逃到了非洲大陆,他们的两足动物后代被记录在著名的化石遗址中。火山岛不断生长并进化成比奥科岛,而留在那里的人类进化成了智人。在进化中的岛屿上有了食物后,它们放弃了海洋饮食和半水生栖息地。然后,在更新世时期的一个低海平面时期,人类通过新兴的比奥科陆桥步行到大陆。与早期关于水生猿类的想法不同,比奥科的情况可以用DNA来测试。如果人类基因组中含有一种逆转录病毒,而这种病毒只存在于比奥科岛上的特有动物身上,那就表明我们的祖先来自那里。不幸的是,传统古人类学家对比奥科和中非西部不感兴趣,因为那里没有化石。
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引用次数: 1
Discoveries and novel insights in ecology using structural equation modeling 使用结构方程建模的生态学发现和新见解
IF 0.2 Pub Date : 2019-09-27 DOI: 10.24908/iee.2019.12.5.c
D. Laughlin, J. Grace
As we enter the era of data science (Lortie 2018), quantitative analysis methodologies are proliferating rapidly, leaving ecologists with the task of choosing among many alternatives. The use of structural equation modeling (SEM) by ecologists has increased in recent years, prompting us to ask users questions about their experience with the methodology. Responses indicate an enthusiastic endorsement of SEM. Two major elements of respondent’s experiences seem to contribute to their positive response, (1) a sense that they are obtaining more accurate explanatory understanding through the use of SEM and (2) excitement generated by the discovery of novel insights into their systems. We elaborate here on the detection of indirect effects, offsetting effects, and suppressed effects, and demonstrate how discovering these effects can advance ecology.
随着我们进入数据科学时代(Lortie 2018),定量分析方法正在迅速扩散,生态学家面临着在众多替代方案中进行选择的任务。近年来,生态学家越来越多地使用结构方程建模(SEM),这促使我们向用户询问他们使用该方法的经验。回答表明对SEM的热情支持。受访者经历的两个主要因素似乎有助于他们的积极反应,(1)他们通过使用SEM获得更准确的解释性理解的感觉,以及(2)对他们的系统发现新见解所产生的兴奋。我们在这里详细介绍了间接效应、抵消效应和抑制效应的检测,并展示了发现这些效应如何促进生态学。
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引用次数: 12
Cliffs, trees, and ground-nesting raptors 悬崖、树木和地面筑巢猛禽
IF 0.2 Pub Date : 2019-08-13 DOI: 10.24908/IEE.2019.12.4.C
M. Ferrer
none.
没有一个
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引用次数: 2
Stick supply to nests by cliff-nesting raptors as an evolutionary load of past tree-nesting 在悬崖上筑巢的猛禽为巢穴提供树枝,这是过去在树上筑巢的进化负担
IF 0.2 Pub Date : 2019-08-13 DOI: 10.24908/IEE.2019.12.3.N
A. Abraín, J. Jiménez
The supply of sticks to cliff nests by many European raptors has been explained only as a functional means of decreasing ectoparasite loads in nests and for signalling nest occupancy. We provide here a historical explanation of this behaviour as we consider it represents an evolutionary load of formerly tree-nesting species. Basically, from this perspective, facultative tree/cliff-nesting species reproduce the nests they used to build originally on top of trees, but on cliffs. Facultative species (likely evolved in forested areas) that supply their cliff nests with sticks include Pandion haliaetus, Haliaetus albicilla, Milvus migrans, Circaetus gallicus, Buteo buteo, Aquila fasciata, A. pennata, A. chrysaetos, A. heliaca, Gypaetus barbatus Gyps fulvus and Neophron percnopterus. On the contrary, the only Falco species that solely nests in cliffs (F. eleonorae)) and does not supply its nests with sticks and should be considered a true cliff-nester, likely evolved in non-forested areas. All other Falco species that do not supply their cliff nests with sticks but can make use of tree nests made by other non-raptorial species, should also be considered as true cliff-nesters, likely evolved in more forested areas or times. Milvus milvus, Elanus caeruleus, Accipiter nisus, A. gentilis, Pernis apivorus, Aquila adalberti, A. clanga, A. pomarina and Aegypius monachus are true tree nesters, likely evolved in forested areas, which did not evolve the plasticity to nest directly on cliffs.
许多欧洲猛禽向悬崖巢穴供应棍子,这只是一种减少巢穴中体外寄生虫负荷和发出巢穴占用信号的功能性手段。我们在这里对这种行为进行了历史解释,因为我们认为它代表了以前树木筑巢物种的进化负荷。基本上,从这个角度来看,兼性树/悬崖筑巢物种繁殖了它们原来在树上建造的巢穴,但在悬崖上。为悬崖巢穴提供树枝的兼性物种(可能是在森林地区进化而来的)包括Pandion haliaetus、haliaetus albicilla、Milvus migrans、Circaetus gallicus、Buteo Buteo、Aquila fasciata、A.pennata、A.chrysaetos、A.heliaca、Gypaetus barbatus Gyps fulvus和Neophron pernopterus。相反,唯一一种只在悬崖上筑巢的法尔科物种(F.eleonorae)),不给巢穴提供树枝,应该被认为是真正的悬崖巢鸟,很可能是在非森林地区进化而来的。所有其他不向悬崖巢穴提供树枝,但可以利用其他非猛禽物种建造的树巢的法尔科物种,也应该被视为真正的悬崖巢穴,可能是在更多的森林地区或时代进化而来的。Milvus Milvus、Elanus caeruleus、Accipiter nisus、A.gentilis、Pernis apivorus、Aquila adalberti、A.clanga、A.pomarina和Aegypius monachus是真正的树巢动物,可能是在森林地区进化而来的,它们没有进化出直接在悬崖上筑巢的可塑性。
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引用次数: 5
Meet Homo absurdus--the only creature that refuses to be what it is 来看看荒诞人——唯一拒绝做自己的生物
IF 0.2 Pub Date : 2019-01-16 DOI: 10.24908/IEE.2018.11.13.E
L. Aarssen
n/a
没有
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引用次数: 2
A comment on computational biology and connecting the dots. 一篇关于计算生物学和连接点的评论。
IF 0.2 Pub Date : 2019-01-11 DOI: 10.24908/IEE.2018.11.12.E
C. Lortie
Increasingly, big data, coding, and quantitative methods contribute to contemporary ecological and evolutionary endeavours. This is not in opposition to effective ideation nor does it play to the false dichotomy of theory versus data. Computational expeditions with data, models, simulations or any other number of approaches both expand the toolkit of science and promote more structured reasoning. The implications of computational biology integrated with scientific pursuits such as experiments and theory development include the following positive outcomes: enhanced open science, better reproducibility, data literacy, author inclusivity, social good, and novel ideation opportunities. We face a climate apocalypse and unprecedented ecological challenges of collapsing ecosystem functions. Computation coupled with ideation is one mechanism to align the hearts and heads of scientists and decision makers alike.
大数据、编码和定量方法对当代生态和进化的贡献越来越大。这并不反对有效的思维,也不支持理论与数据的错误二分法。利用数据、模型、模拟或任何其他方法进行计算探险,既扩展了科学的工具包,又促进了更结构化的推理。计算生物学与科学追求(如实验和理论发展)相结合的影响包括以下积极成果:增强开放科学,更好的可重复性,数据素养,作者包容性,社会效益和新颖的创意机会。我们面临着气候灾难和生态系统功能崩溃带来的前所未有的生态挑战。计算与构思相结合是一种使科学家和决策者的头脑和心灵一致的机制。
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引用次数: 0
Eleven strategies for getting into graduate school in ecology & evolutionary biology 进入生态学和进化生物学研究生院的11个策略
IF 0.2 Pub Date : 2018-11-26 DOI: 10.4033/IEE.2018.11.10.C
E. Walters
Getting into graduate school can be tough if you have not done your homework. I outline eleven strategies for increasing your chances of successfully being accepted into an ecology or evolutionary biology lab. Try to get good grades as an undergraduate, do well on the Graduate Record Exam (if applicable), join a lab reading group or undertake an undergraduate thesis, take time to forge relationships so you can have strong reference writers, obtain relevant work experience, author a publication, read peer-reviewed literature, attend national meetings, come up with some good research ideas, develop a relationship with a potential advisor, and apply to at least ten schools. If you follow these strategies, you have a high probability of getting into graduate school in ecology and evolutionary biology.
如果你没有完成家庭作业,进入研究生院可能会很困难。我概述了增加你成功被生态学或进化生物学实验室录取的机会的十一个策略。试着在本科生时取得好成绩,在研究生入学考试中取得好成绩(如果适用),加入实验室阅读小组或承担本科生论文,花时间建立关系,这样你就可以拥有强大的参考作家,获得相关的工作经验,撰写出版物,阅读同行评审的文献,参加全国会议,提出一些好的研究想法,与潜在的顾问发展关系,并申请至少十所学校。如果你遵循这些策略,你很有可能进入生态学和进化生物学的研究生院。
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引用次数: 1
Why are you strategizing? Response to "Eleven strategies for getting into graduate school in ecology & evolutionary biology" 你为什么要制定战略?对“进入生态学和进化生物学研究生院的11个策略”的回应
IF 0.2 Pub Date : 2018-11-26 DOI: 10.4033/IEE.2018.11.11.C
C. Dale
In his paper Eleven strategies for getting into graduate school in ecology & evolutionary biology, Walters (2018) offers some practical and well-considered advice for prospective graduate students, based on his 25 years of experience in academia. I agree with most of Walters’ suggestions, and I think his recommendations are valuable for any undergraduate who wants to continue his or her studies in biology. However, I would like to offer some complementary advice from a different perspective. As a recent PhD graduate in ecology and evolutionary biology, my advice would be to take a moment to think before you begin strategizing to get into grad school. Stop for a moment and seriously ask yourself this question: “Why do I want to go to grad school?” Many undergraduates consider a graduate degree a necessary step towards achieving the type of job they want. This may be true in some cases, particularly of a Master’s degree. Holding a Master’s may help your resume stand out to prospective employers, land you a higher starting salary, or allow you to rise faster through the ranks once employed (Murray 2017). However, getting a Master’s can also come with some disadvantages, since you are likely to have less actual experience when applying for a job—and perhaps inflated expectations for salary and responsibilities as well (Dehaas 2013). In fact, according to data from the National Household Survey, in 2011, Canadians 25 to 44 with a Master’s degree had a higher unemployment rate (5.7%) than those with Bachelor’s degrees (4.8%; Dehaas 2013). So the jury is still out on whether a Master’s degree enhances your job prospects. But even if it does, a PhD probably doesn’t. Most jobs don’t require a PhD, and having one may make you ‘overqualified’ for a position, at least in the eyes of those doing the hiring. The exception, of course, is the position of tenure-track university faculty member. But if that’s your intended path, the news isn’t great. Many—perhaps even most—students begin their PhD with the intention of pursuing a career in academia. However, the simple fact is that institutions are producing more PhD graduates than there are faculty positions available (Larson et al. 2014, Kolata 2016). In the U.S., for example, data collected by the National Science Foundation in 2011 indicates that only 9.4% of PhD graduates in the life sciences had secured academic jobs at graduation (Weissmann 2013). Ecology and evolutionary biology is no exception: like most other disciplines, the field of biology has “many more PhDs than academic posts” (Kolata 2016). For anyone pursuing—or even considering pursuing—a graduate degree in biology, these reports don’t make easy reading. To be honest, even though they aren’t telling me anything I don’t already know from personal experience, reading the grim facts makes me wince every time. But I would suggest it’s worth making yourself face these realities before launching into a PhD. It’s very easy at the beginning of your grad
Walters(2018)在他的论文《进入生态学和进化生物学研究生院的11个策略》中,根据他25年的学术经验,为未来的研究生提供了一些实用而深思熟虑的建议。我同意Walters的大部分建议,我认为他的建议对任何想继续学习生物学的本科生来说都是有价值的。然而,我想从不同的角度提供一些补充建议。作为一名刚刚从生态学和进化生物学专业毕业的博士,我的建议是,在你开始制定进入研究生院的策略之前,先花点时间思考一下。停下来认真地问自己这个问题:“我为什么想读研究生?”许多本科生认为研究生学位是获得他们想要的工作的必要步骤。这在某些情况下可能是正确的,尤其是硕士学位。拥有硕士学位可以帮助你的简历在未来的雇主中脱颖而出,让你获得更高的起薪,或者让你在就业后更快地晋升(Murray 2017)。然而,获得硕士学位也会带来一些缺点,因为你在申请工作时可能没有多少实际经验,而且可能对薪水和责任的期望也会过高(Dehaas 2013)。事实上,根据全国家庭调查(National Household Survey)的数据,2011年,拥有硕士学位的25至44岁加拿大人的失业率(5.7%)高于拥有学士学位的人(4.8%;Dehaas 2013)。因此,硕士学位是否能提高你的就业前景尚无定论。但即使有,博士学位也可能没有。大多数工作不需要博士学位,拥有博士学位可能会让你“大材小用”,至少在招聘人员看来是这样。当然,唯一的例外是大学的终身教职。但如果这是你想走的路,那这个消息可不太好。许多——也许是大多数——学生开始攻读博士学位的目的是在学术界谋求职业发展。然而,一个简单的事实是,大学培养的博士毕业生比现有的教师职位要多(Larson et al. 2014, Kolata 2016)。以美国为例,美国国家科学基金会2011年收集的数据表明,只有9.4%的生命科学博士毕业生在毕业时找到了学术工作(Weissmann 2013)。生态学和进化生物学也不例外:像大多数其他学科一样,生物学领域的“博士比学术职位多得多”(Kolata 2016)。对于正在攻读或正在考虑攻读生物学研究生学位的人来说,这些报告读起来并不容易。说实话,即使他们没有告诉我任何我从个人经历中已经知道的事情,但每次读到这些残酷的事实都会让我退缩。但我建议,在攻读博士学位之前,让自己面对这些现实是值得的。在研究生学习之初,你很容易说服自己,你会成为那一小部分人中的一员,找到他们理想的学术工作。但事实是,我们大多数人都不会。最重要的是,不可否认,研究生院可能是一条艰难的道路。经济压力、不足感和社会孤立感都是其中的一部分。不出所料,这会导致心理健康问题。事实上,最近发表在《自然生物技术》上的一项研究发现,研究生患抑郁症和焦虑症的可能性是普通人的六倍(Evans et al. 2018)。尽管如此,说实话:我并不后悔攻读博士学位的决定。这是真的,即使我不是那些幸运的少数人中的一员,他们有iee 12 34 56 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 34 35 36 37 38 39 40 41 42 43 44 44 45 46 47 48 49 50 51 53 54 55 56 56
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引用次数: 1
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Ideas in Ecology and Evolution
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